mental health New study finds sleep loss surprisingly lifts mood in some depressed individuals Mark Frauenfelder

fish New species of ghost shark discovered just in time for Halloween Thom Dunn

Delightful Creatures Hairy frogfish has a built-in fishing pole Popkin

sharks Curious great white shark follows kayakers fishing off San Francisco Bay Area coast (video) Allan Rose Hill

biology Iron Maiden is popular among biologists and taxonomists, so they just named a new lizard species after frontman Bruce Dickinson Jennifer Sandlin

adorable animals If you need a shot of dopamine, watch this adorable vampire-esque rock hyrax munching on greens and sweet potatoes Jennifer Sandlin

deadly photo-ops Baby dolphin picked up by Florida man for Instagram photo found dead Carla Sinclair

injuries Blood in the bathtub: 7.5 million Baby Shark toys recalled due to horrific injuries Mark Frauenfelder

penises 102-terapixel penis claimed to be largest digital image ever created Thom Dunn

capybaras Scientific proof that capybaras love hot baths Jennifer Sandlin

candy Fact-check: "woke mob" did not remove the "dick vein" from Snickers bars Thom Dunn

enraged creatures Living creature with a shell attacks shod biped Mark Frauenfelder

animals Look at this weirdo pig-faced shark found in the Mediterranean Sea David Pescovitz

spiders Whip spiders are having a renaissance Thom Dunn

NASA Quarantine survival advice from Buzz Aldrin and other astronauts Thom Dunn

Kids Super-cute balloonfish teapot serves up tea in style Andrea James

video First underwater video of True's beaked whales in the wild Andrea James

maps Global Shark Tracker Rob Beschizza

happy mutants Revealing the cover and first excerpt of Autonomous, Annalee Newitz's long-awaited debut novel Cory Doctorow

wonderful creatures Shark bites boy wearing "shark-repelling" magnetic armband Rob Beschizza