Sandy Hart

[Sandy Hart @iHartbeach]

Lol#GIFChallenge

[Sandy Hart @iHartbeach]

Meh #GIFChallenge

[Scientific American @sciam]

Only 3 addax antelopes left in the wild—survey finds species on knife’s edge of extinction: https://t.co/5HC39WJGVI

[Bill Gates @BillGates]

How did life on earth begin? This author seeks to answer one of humanity’s most compelling questions...
https://t.co/fVAaUI53Ao

[Sandy Hart @iHartbeach]

Spread the word! https://t.co/c6L22a7orM

[Good Morning America @GMA]

69 DAYS UNTIL SUMMER! ☀️ 🏖

[St. Louis Cardinals @Cardinals]

Fredbird is awake and ready to go! #OpeningDaySTL

[The Weather Channel @weatherchannel]

This Florida hiker's encounter has gone viral – she was rightfully startled, but her reaction is priceless.