Science Watch a honey bee's venom sac pump venom after detatching Popkin

Do not attempt When aggressive tiger shark rams into boat, diver shoves it away with her bare hands (video) Carla Sinclair

Science Learn about apes from a primatologist Popkin

Delightful Creatures A hilarious squirrel keeps spying on a woman through different windows of her house (video) Carla Sinclair

attacks Yet another elk stomps on person in Estes Park — an "unprecedented" three attacks in 8 days Carla Sinclair

Nature How to make a horn from a squash stem Popkin

protective cow elk Cow elk attacks 4-year-old boy at Colorado playground — just days after 8-year-old girl was attacked Carla Sinclair

News Visitor discovers that China's "highest waterfall" comes from a pipe Mark Frauenfelder

Delightful Creatures Giraffe plucks a 2-year-old toddler out of a pickup truck at Texas wildlife park — then puts her back! (video) Carla Sinclair

Protective mama elks Cow elk charges 8-year-old girl on bicycle near Colorado national park — then attacks her Carla Sinclair

Science California's amazing geographic oddities B.R. O'Deal

animals Three baby armadillos meet a kitten and a dog Popkin

art Extreme Beachcombing is a beautiful short film about a collector Popkin

Delightful Creatures How a Gecko's feet grip walls Popkin

Nature Man who hatched more than 2 million frog eggs unleashes frog army Popkin

Nature Video: decapitated wasp grabs its own head and flies away Popkin

News Pink noise: a steady hum that helps you sleep better Mark Frauenfelder

Nature Daring biker rides an abandoned watermain through the mountains Popkin