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Aedes aegypti mosquito, a carrier of yellow fever, dengue, and dengue hemorrhagic fever.
10 Questions About Insects Answered
Learn fascinating facts about bugs.
bird. pigeon. carrier pigeon or messenger pigeon, dove
Fightin’ Fauna: 6 Animals of War
Some battles were won with unexpected weapons.
Galileo spacecraft image of the Moon taken on December 7, 1992. The distinct bright ray crater at the bottom of the image is the Tycho impact basin. The dark areas are lava rock filled impact basins: Oceanus Procellarum (on the left), Mare Imbrium (cont'd
8 Questions About the Moon Answered
Answers for the next time you’re looking at the night sky.
Weed. Flower. Taraxacum. Dandelion. T. officinale. Close-up of yellow dandelion flowers.
11 Questions About Useful Plants Answered
This list provides answers to 11 key questions about useful plants.
Two rats on a wood surface.
8 Interesting Facts About Rats
If you have musophobia, don’t read this.
White-throated sparrow (Zonotrichia albicollis) at Shenandoah National Park, Virginia. (birds)
15 of the Best Birdsongs (According to Britannica)
These birdbrains can carry a tune.
Skull of Homo heidelbergensis (fossils, hominids).
Human Ancestors
The long and winding road to becoming us.
Jane Goodall. British ethologist Dr. Jane Goodall (b. 1934) with chimpanzee Freud at Gombe National Park in Tanzania. Goodall researches the chimpanzees of Gombe Stream National Park in Tanzania.
10 Women Who Advanced Our Understanding of Life on Earth
Boldly going where no woman had gone before.
Lake Mead (the impounded Colorado River) at the Hoover Dam. The light-coloured band of rock above the shoreline shows the decrease in water level in the first few years of the 21st century.
6 Lakes That Are Drying Up
Which of the planet’s major lakes are shrinking?
Artist interpretation of space asteroids impacting earth and moon. Meteoroids, meteor impact, end of the world, danger, destruction, dinosaur extinct, Judgement Day, Doomsday Predictions, comet
Major Mass Extinctions
What major mass extinctions have shaped life on Earth?
Lightning over the outskirts of Oradea, Rom., during the thunderstorm of August 17, 2005.
16 Questions About Earth’s Atmsophere and Weather Answered
Figure out what’s going on in the sky above you.
Water droplets on flat surface.
Water Explained in 5 Questions
Portrait of a mountain gorilla at a short distance. gorilla close up portrait.The mountain gorilla (Gorilla beringei beringei)
Falling Stars: 10 of the Most Famous Endangered Species
The marquee names of the endangered species list…
Aurochs. Bos primigenius. Skeleton. Extinct animal. Skeleton of an Aurochs, an extinct wild ox.
6 Animals We Ate Into Extinction
Hungry Hungry Humans
The Panamanian Golden Frog is a critically endangered frog which is endemic to Panama.
Extinct in the Wild but Still Around: 5 Plants and Animals Kept Alive by Humans
Going, going, but not gone?
illustration of the walking titanosaurus, Patagotitan mayorum
Titanosaurs: 8 of the World's Biggest Dinosaurs
The largest land animals of all time.
Japanese spider crab
10 Animals With Evolutionary Traits Plucked Straight Out of a Nightmare
Someone call Mr. Sandman, because these strange animals will...
Blue banded bee (Amegilla) flying near a flower, Coimbatore, Tamil Nadu, India. (insects, bees)
8 Buzzworthy Types of Bees
There are so many amazing bees out there!
Dr. Maria Telkes, September 4, 1956.
10 Women Scientists Who Should Be Famous (or More Famous)
History has overlooked some awesome women for too long.
Close up of praying mantis walking on stone ground against a blurred background in Japan
6 Animals That Eat Their Mates
When looking like a “snack” goes a bit too far.
Two dinosaur heads showing feeding habits: meat eater ceratosaurus, plant eater psittacosaurus, dinosaurs
5 Questions About Dinosaurs Answered
Important questions asked and answered, briefly.
DNA helix in a futuristic concept of the evolution of science and medicine.
6 Questions About DNA Answered
Important questions asked and answered, briefly.
Mathematician Dr. Gladys West was inducted into the Air Force Space and Missile Pioneers Hall of Fame during a ceremony in her honor at the Pentagon, Dec. 6, 2018. GPS (Global Positioning System); computing; women in STEM.
5 Incredible Women in STEM You Need to Know
You may know everything about Albert Einstein or Isaac Newton....
1 July 2002: The Solar and Heliospheric Observatory (SOHO) satellite reveals a massive solar eruption more than 30 times the Earth's diameter. The eruption formed when a loop of a magnetic field over the surface of the Sun trapped hot gas.
6 Questions About the Sun Answered
The Sun never sets on information about the Sun.
cat. orange and white persian cat with long hair, snarl, growl, teeth
7 Questions About Mammals Answered
A few important things you wanted to know about mammals.
Prairie falcon (Falco mexicanus) in mid-flight.
11 Questions About Birds Answered
Answers to questions, feathers and all.
Slowworm. Anguis fragilis. Blindworm. Lizard. Anguidae. Close-up of a slowworm's head.
7 Questions About Lizards, Snakes, and Other Reptiles Answered
Lizards and snakes and more, oh my!
The Space Shuttle Columbia soars from Launch Pad 39A on July 1 1997 to begin the 16-day STS-94 Microgravity Science Laboratory-1 (MSL-1) mission.
12 Questions About the History of Space Exploration Answered
How to go boldly where no (or, at least, not many) humans have...
Collage of different cats. Made for the cat quiz on Mendel
16 Questions About Pets Answered
This list will have you thinking beyond cats and dogs.
Tiger shark (Galeocerdo cuvieri).
14 Questions About Aquatic Animals Answered
Find out more about animals that live underwater.
Laboratory glassware (beakers)
5 Quizzes That Will Tell You Whether You Should Have Been a Scientist
Regret is best served as a science quiz.
Big beaver gnawing on limb at river's edge
6 Animal Species that Mate for Life
Find out who’s in it for the long haul.
Cheetah (Acinonyx jubatus) standing on rock, side view, Masai Mara National Reserve, Kenya
The Fastest Animals on Earth
Now that’s fast!
Portrait of western lowland gorilla (Gorilla gorilla gorilla), Bayanga, Central African Republic
Gorilla gorilla, Sula sula, and Other Animals Whose Names Are Tautonyms—the Same for Genus and Species
Did you know that the scientific names of some animals are tautonyms,...
Sergeant Stubby or also known as Mascot Stubby. Unofficial mascot dog of the 102nd Infantry Regiment of the United States with the 26th (Yankee) Division in World War I. War dog. Possibly a Boston terrier - also sometimes described as a Boston bull terrier
8 Famous Animals
Learn about some celebrity critters.
Hippopotamus in the water. Africa, Botswana, Zimbabwe, Kenya
11 Fascinating Nile River Plants and Animals
Find out what lives in and around Africa’s longest river.
Cell transport - illustration of a diffusion of liquid molecules through cell membrane. Phospholibid bilayer
Fast Facts about the Cell Membrane
Gate, gatekeeper, and protector.
Poinsettia (Euphorbia pulcherrima).
Merry and Bright: 8 Jolly Christmas Plants
I’m dreaming of a green (and red) Christmas.
Beautiful adult three colored calico longhair cat
Longhair Cat Breeds
Some pretty pets.
Scottish fold cat. A genetic mutation caused (in the original cat-1961) the ears to bend forward and down.
Shorthair Cat Breeds
Cats, cats, and more cats.
Planet Earth and lunar moon from space
Where Did the Moon Come From?
Scientists still aren’t sure what made the Moon. Here are their...
Army of deadly Microbes
Meet the Microbes: 5 Tiny Protozoans and Algae
Bacteria aren’t the only microscopic creatures!
Malayan Leaf Frog - Megophrys nasuta
9 Animals That Look Like Leaves
Live and let leaf.
Close-up of ostriches (Struthio camelus) necks and heads; location unknown.
6 of the World's Most Dangerous Birds
Keep your eyes on the skies.
Venus, view of the northern hemisphere based on observations made by the Magellan spacecraft. The Maxwell Montes, Venus' highest mountain range, is the bright spot just below the center of the image. The Montes, and the dark areas above and to its left,a
5 Weird Facts About Venus
Know thy neighboring planet.
Planet Mercury photographed by the MESSENGER spacecraft. Colors produced by images from color base map imaging. Colors are not what Mercury looks to human eye. See NOTES:
7 Important Dates in Mercury History
A brief history of the first planet from the Sun.
Dandelion with seeds blowing in the wind. Seed dispersion.
Falling Far from the Tree: 7 Brilliant Ways Seeds and Fruits Are Dispersed
Explosions, mimicry, self-burial, and long-term survival, just...
Cuban Bee Hummingbird (Mellisuga helenae) single adult male, Zapata peninsula, Cuba, Caribbean.Bee hummingbirds are the smallest birds in the world.
Queen Mab’s Stable: 7 of the Smallest Animals
Size isn’t everything.
Shooting star (Dodecatheon pauciflorum).
Botanical Sex: 9 Alluring Adaptations
Plants gettin’ it on.
cloning. First cloned cat. First cloned companion animal. CC (copy cat) female domestic shorthair cat (b. Dec. 22, 2001) photo Jan. 18, 2002. Cloned at Texas A&M Univ. College of Vet. Med. & Biomedical Sciences. Reproductive cloning genetics DNA cc cat
CC, The First Cloned Cat
Don’t you ever just wish there were two of your cat?
H1N1 influenza virus particles. Colorized transmission electron micrograph. Surface proteins on surface of the virus particles shown in black. Influenza flu
10 Ways of Looking at Cells
Learn about 10 cutting-edge microscopy tools that scientists...
Jupiter (planet, space, outer space, planetary, solar system).
5 Mysteries of Jupiter That Juno Might Solve
We have some big questions for the biggest planet.
The LIGO Laboratory operates two detector sites, one near Hanford in eastern Washington, and another near Livingston, Louisiana. This photo shows the Hanford detector site.
6 Amazing Facts About Gravitational Waves and LIGO
Catch a gravitational wave or two.
coconut octopus underwater, amphioctopus, cephalopod, indonesia
6 Reasons to Love Cephalopods
Embrace the cephalove.
Snowshoe hare (Lepus americanus) with its Summer coat on the left side and its winter coat on the right.
7 Animals That Turn White in Winter
Furred and feathered phantoms of the snow.
Bats. Megabat. Grey-headed flying fox. Pteropus poliocephalus. A pair of grey-headed flying foxes hanging from the ceiling of a cave in South Australia.
5 Surprising Facts About Bats
This is pretty batty.
Mars rover. Mars Pathfinder. NASA. Sojourner.
10 Important Dates in Mars History
Strap on your jet packs, let’s visit Mars.
Hurricane Sandy . The Aftermath Ocean Grove, New Jersey
8 Nonhuman Casualties of Hurricanes
People aren’t the only animals affected by hurricanes.
Pluto. The Changing Faces of Pluto. Most detailed view to date of the entire surface of the dwarf planet Pluto, as constructed from multiple NASA Hubble Space Telescope photographs taken from 2002 to 2003.
10 Important Dates in Pluto History
Planet or not, Pluto has made its mark.
Therizinosaurus, theropod, dinosaur
6 Awesome Dinosaur Species You Should Know
Move over, T. rex.
Ash cloud rising from the Kilauea Volcano Pu`u `O `o as crater floor collapses due to magma withdrawal. Incandescent rubble can be seen crumbling and rolling down the scarp. East rim of Pu`u `O `o is in the foreground, Kilauea, Hawaii on March 6, 2011.
Watch Your Step: 6 Things You Can Fall Into
Solid ground is not always so solid.
Scolex (head) of the tapeworm Taenia solium. The hooks of the scolex enable the tapeworm to attach to the intestinal wall.
Uninvited Guests: The 7 Worst Parasitic Worms
That feeling inside…
Hemp (Cannabis sativa).
9 Mind-Altering Plants
This brings new meaning to "vegetative state."
Lateral view of an adult bedbug, Cimex lectularius, as it was in the process of ingesting a blood meal from the arm of a voluntary human host. Photo dated 2006.
8 Animals That Suck (Blood)
Stay away from these real-life vampires if you value your bodily...
Monitor. Varanus salvadorii is a monitor lizard found in New Guinea can grows to 2.7 metres (9 ft.) aka Tree crocodile, Crocodile monitor, Salvadori's monitor, artellia, reptile
7 of the World’s Most Dangerous Lizards and Turtles
Think snakes are the only dangerous reptiles? Think again.
Fish. Lionfish. Lion-fish. Turkey fish. Fire-fish. Red lionfish. Pterois volitans. Venomous fin spines. Coral reefs. Underwater. Ocean. Red lionfish swims by seaweed.
10 of the World’s Most Dangerous Fish
Don’t let their innocent fishy faces fool you.
Ruminant. Deer. Red deer. Cervus elaphus. Buck. Stag. Antlers.
9 of the World’s Deadliest Mammals
They’re not all soft and cuddly.
sea turtle (reptile). Green turtle (Chelonia mydas) (C. mydas) off the Hawaii Islands, Pacific Islands. Green sea turtle, chelonian. Homepage blog 2011, science and technology, animal
5 Vertebrate Groups
Who has a backbone?
Northern Pacific tree frog (Pseudacris regilla) also known as the Pacific chorus frog in a green and brown morph on dewy leaf about to leap.
7 Awesome Frog Species of Canada and the United States
Are these your favorites, too?
Macro image of pollen-covered bee on purple crocus. (flowers, stamen, pollination, insects, nature)
5 Fast Facts About Flower Anatomy
Those sexy, sexy, flower parts.
Endoplasmic reticulum. cell biology
6 Cell Organelles
A quick refresher course in biology!
Dolphin. Delphinidae. Bottlenose dolphin. Bottle-nosed dolphin. Atlantic bottlenose dolphin. Tursiops truncatus. Bottlenose dolphin swimming in a large tank at Marineland, Florida.
A Dose of Dolphin-Induced Dopamine: 8 Species of Adorable Cetacean
Splish splash…give your brain a feel-good bath.
Reflections in a diamond. (gem; cut gemstone; optics; refraction)
Cold Stones: 9 Gems That Will Make You Feel Like a Peasant
Carve out a little time for a tour of the vault.
white shark. white shark (Carcharodon carcharias), also called great white shark or white pointer.
Off the Hook: 10 Sharks Protected From Fishing in American Waters
We’re not going to need a bigger boat after all.
Newt. Salamanders. Amphibian. Alpine newts. Ichthyosaura alpestris. Caudata. Urodela. Alpine newt swimming underwater.
Deviously Darwinian: 6 Strange Evolutionary Phenomena
Life will find a way. Usually a gross one.
The saprobe Panellus Stipticus displaying bioluminescence Panellus Stipticus Aug 12, 2009. Bioluminescent fungi. aka bitter oyster, astringent panus, luminescent panellus, stiptic fungus. fungus in the family Mycenaceae
Everything’s Illuminated: 6 Bioluminescent Organisms
Pretty lights.
Cook Strait giant weta (Deinacrida rugosa) found on Matiu/Somes Island in the harbour of Wellington, New Zealand. Dec. 17, 2009 insect
Big Bugs and Colossal Crabs: 7 Invertebrates of Unusual Size
Don’t try stomping them.
Spiral Galaxy type Sa-Sb or Sa/Sb in the constellation Virgo. The majestic Sombrero Galaxy Messier 104 (M104) or NGC 4594. The team took six pictures of the galaxy, stitched them together to create the final composite image. Photo from May-June 2003
9 Britannica Articles That Explain the Meaning of Life
(…or lack thereof.)
Rare rafflesia plant in jungle. (endangered species)
5 Awesome Parasitic Plants
Check out these botanical vampires.
Shoebill. A Shoebill Stork (Balaeniceps rex), aka 'Whalehead' standing in shallow marsh. Resides in tropical East Africa. A very large bird related to the storks. It derives its name from its massive shoe-shaped bill.
Funky Feathers: 10 Bizarre Birds
Some birds are downright strange.
animal. Amphibian. Frog. Anura. Ranidae. Frog in grass.
Abundant Animals: The Most Numerous Organisms in the World
One species to rule them all.
Horses. Equus caballus. Horse stable. A brown horse looks out from his stall through the window.
Horsing Around: 7 of the Weirdest Racehorse Names in History
And the winner is...who?
Baby rabbit (bunny)
7 More Domestic Animals and Their Wild Ancestors
Aurochs for dinner?
Forest fire burning trees and grasses. (flames, smoke, combustion)
Playing with Wildfire: 5 Amazing Adaptations of Pyrophytic Plants
The burning question: How do plants survive wildfires?
Apollo 11 Lunar Module with its four landing-gear footpads deployed. This photograph was taken from the Command Module as the two spacecraft moved apart above the Moon.
5 Unforgettable Moments in the History of Spaceflight and Space Exploration
Finding the final frontier.
Black widow spider
9 of the World’s Deadliest Spiders
Do these dangerous arachnids live near you?
A pet macaw. Large colourful parrot native to tropical America. Bird, companionship, bird, beak, alert, squawk. For AFA new year resolution.
11 Popular—Or Just Plain Odd—Presidential Pets
The American First Family is more than just humans.
Animal. Mammal. Goat. Ruminant. Capra. Capra aegagrus. Capra hircus. Farm animal. Livestock. White goat in grassy meadow.
6 Domestic Animals and Their Wild Ancestors
Are you wearing fibers produced by a descendant of the mouflon?
Pluto. Crop of asset: 172304/IC code: pluto0010 at 270 degrees. The Changing Faces of Pluto. Most detailed view to date of the entire surface of the dwarf planet Pluto, constructed from multiple NASA Hubble Space Telescope photographs 2002-03.
Wee Worlds: Our 5 (Official) Dwarf Planets
Learn all about Pluto and its pals.
Common, or southern, cassowary (Casuarius casuarius).
8 Birds That Can’t Fly
What good is flight, anyway?
Global warming illustration
5 Notorious Greenhouse Gases
These gases are hot.
Artist's concept of the New Horizons spacecraft as it approaches Pluto and its three moons in summer of 2015.
Christening Pluto’s Moons
Testing your knowledge of the far out and the long past.
King Cobra snake in Malaysia. (reptile)
9 of the World’s Deadliest Snakes
Few animals strike as much fear into people as venomous snakes.

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Golden Gate Bridge, San Francisco, California.
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Girl Reading On Turquoise Couch
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Happy, smiling, flying pig
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Banff National Park. Aerial view of Lake Louise in Banff National Park, Alberta, Canada. Aerial perspective.
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Manila folders marked confidential.
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