Animals
-
Animals
Polar bears are being exposed to more pathogens as the climate warms
Polar bears have been exposed to more viruses, bacteria and parasites in recent decades, a new study shows, possibly acquiring the germs in their diet.
By Jake Buehler -
Animals
Science has finally cracked male riflebirds’ flirty secrets
New video upsets the old notion that these birds of paradise use wing clapping to make percussive sounds while courting.
By Susan Milius -
Animals
At-home experiments shed light on cats’ liquid behavior
Cats can flow like liquids through tall crevices, but they solidify a bit as they approach short crannies, new research shows.
-
Animals
DNA from old hair helps confirm the macabre diet of two 19th century lions
Genetic analysis of cavity crud from two famed man-eating lions suggests the method could re-create diets of predators that lived thousands of years ago.
By Jake Buehler -
Paleontology
The largest arthropod to ever live finally has a head
Fossils of an extinct giant millipede reveal new details about the arthropod’s anatomy.
By Jason Bittel -
Animals
To tell a right-trunked elephant from a lefty, check the wrinkles
Elephant trunks, more sci-fi face-tentacle than ho-hum mammal nose, are getting new scrutiny as researchers explore how the wrinkles grow.
By Susan Milius -
Animals
These sea creatures can fuse their bodies
A species of comb jelly can fuse its body with another jelly after injury. Some of the pair’s body functions then synchronize.
By Jude Coleman -
Animals
Some tadpoles don’t poop for weeks. That keeps their pools clean
Eiffinger’s tree frog babies store their solid waste in an intestinal pouch, releasing less ammonia into their watery cribs than other frog species.
-
Animals
Dolphins’ open-mouth behaviors during play are like smiles, a study claims
Experts urge caution in calling bottlenosed dolphins’ gesture a humanlike “smile,” but agree it seems to be important for how the animals communicate.
-
Animals
Coyotes have the face muscles for that ‘sad-puppy’ look
The ability to make heart-melting stares may not be the fruit of dog domestication if their still-wild cousins have the power to do it too.
By Susan Milius -
Animals
Bird nests made with a toxic fungus seem to fend off attacking ants
Two species of birds in Costa Rica build nests in trees defended by ants. Ants that encounter the horsehair fungus in the nests develop odd behaviors.
-
Animals
‘Night Magic’ invites you to celebrate the living wonders of the dark
In the book ‘Night Magic,’ Leigh Ann Henion writes of encounters with salamanders, bats, glowworms and other life-forms nurtured by darkness.