wildlife Beyond the looks: The amazing world of of the eerie-looking aye-eye and other "repulsive" creatures Ellsworth Toohey

Science Expert answers Internet's burning questions about insects Popkin

Science Watch: Wild cockatoos figure out how to operate water fountains Ellsworth Toohey

Science Mice act as first responders to help unconscious companions Ellsworth Toohey

Science Fish surprise scientists with ability to recognize humans by our outfits Allan Rose Hill

Science Why a horse fly bite hurts so much more than a mosquito sting Ellsworth Toohey

Science Young elephant gets revenge on bully by kinking her shower hose Ellsworth Toohey

Delightful Creatures Women pretends to faint to see how her geese would react Mark Frauenfelder

Science That closed door is giving your cat FOMO Gail Sherman

birds Scientists observe evidence of actual counting crows Thom Dunn

Science Yacht-attacking orcas are just typical teenagers Gail Sherman

cows Cows go wild for new scratch brushes: a must-have for your farm Popkin

Science Orcas that grab baby porpoises and play with them to death Ruben Bolling

Science Study finds that many primates engage in same-sex behavior, to reduce social conflict Ruben Bolling

Delightful Creatures Bear is asked to leave party; bear complies, but gets in one swipe on the way out Ruben Bolling

Science Incredible video of orangutan building a hammock Ruben Bolling

spiders Do spiders dream? New study finds evidence of REM-like movement in arachnids Thom Dunn

Weird Haru the bull – raised among dogs, and now he acts like one too Grant St. Clair

Science Watch a heron use bait to catch a fish Ruben Bolling

Science Dolphin moms baby-talk their children Ruben Bolling