Britannica

Scientists discover #lichens require 3, not 2, symbiotic partners to thrive. #IntheNews http://ow.ly/ZpA1302wj5E pic.twitter.com/yhKXp5xMpp

.@erikgregersen looks at 400 years of telescopes & #space exploration. #astronomy #spotlight http://ow.ly/5Fd7302ppZr pic.twitter.com/q2mRQYF8u7

ICYMI Erdogan declares state of emergency in Turkey, expands presidential powers. #IntheNews http://ow.ly/ECG1302u8Iq pic.twitter.com/RuPJ9oHuxo

Meet 6 revolutionary women who made history as Heads of State. #womenshistory #feminism http://ow.ly/JUYm302u8Us pic.twitter.com/rgCxkUwLVc

After nearly 50 years the last #VCRs will be produced this month. #RIP #VHS http://ow.ly/4zrd302vDCn pic.twitter.com/6iF4XVZLod

Why do some people call football "soccer"? @jmcunning explains in @Britannica's #demystified http://ow.ly/IkCP302pnoY pic.twitter.com/exSlSGz77Z

President Erdogan declares state of emergency in #Turkey, assumes more power. #IntheNews http://ow.ly/EDPH302u7qh pic.twitter.com/ghIA3pPs5D

ICYMI: Has @NASA's #Kepler telescope found 2 planets that might support life? #IntheNews http://ow.ly/MphN302rKwC pic.twitter.com/MRwGgPVGnz

#OnThisDay in 2007, the 7th & final #HarryPotter novel, Harry Potter and the Deathly Hallows, was released.pic.twitter.com/krfPALseGF

American writer #ErnestHemingway—famous for his adventurous life and masculine prose—was born this day in 1899!pic.twitter.com/3NB9LABQsQ

Most dangerous #crocodile species(incl.'gators & #caimans)? Check out this list http://bit.ly/29RBLgX  #britannicapic.twitter.com/sVA4AiVKs1

How have telescopes changed our understanding of the universe? #space #astronomy #spotlight http://ow.ly/Ditj302ppCh pic.twitter.com/9qTpKr4Cxr

#OnThisDay @NASA's #spaceshuttle program ended when Atlantis made its final landing in 2011. http://ow.ly/lLbz302tsGR pic.twitter.com/qELDO0a02a

ICYMI: @GOP has named Donald Trump the party's presidential candidate. #RNCinCLE #IntheNews http://ow.ly/lVlD302rKoL pic.twitter.com/Uunx40GNWU

#Onthisday in 1976 @NASA's Viking 1 landed on Mars & sent 1st pics of the Martian landscape. http://ow.ly/PmA4302rJTt pic.twitter.com/3HqtE6d8Qn

Donald Trump officially named @GOP presidential candidate. #RNCinCLE #IntheNews #USpolitics http://ow.ly/zLhV302rKeC pic.twitter.com/vm2YP93Eq6

Two planets that could support life spotted by @NASA's #Kepler telescope. #IntheNews #space http://ow.ly/Fb7W302rJmR pic.twitter.com/WBDwvtQYzm