Animals
- Animals
Dog-paddle science debunks notion of underwater trot
From Newfoundlands to Yorkshire terriers, canines swim with similar, distinctive gait.
- Archaeology
Animal mummies were a message direct to the gods
A new theory about the purpose of animals mummified by ancient Egyptians proposes that the cats, ibises and other dead critters were more than just simple sacrifices.
- Animals
Flightless birds face extinction
New Zealand’s flightless birds have limped through the last few decades, but conservation efforts have had some success.
- Animals
Smoker’s breath saves caterpillars’ lives
Larvae of the tobacco hornworm caterpillar exhale nicotine, driving away predatory spiders.
- Plants
Kleptoplast
A cellular part such as a light-harvesting chloroplast that an organism takes from algae it has eaten.
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- Animals
A year of rediscovered species
Thousands of species go extinct each year, but at least a few are found after many years of being lost.
- Animals
African frog conceals itself with chemicals
Two small peptides keep the West African savanna frog from being stung by ants.
- Animals
Penguin huddles move like traffic jams
When one emperor penguin takes a step, he sets off a wave of movement.
- Animals
New species of tapir found in the Amazon
A sixth species of the large, snouted mammal was hiding in plain sight, well known by indigenous people.
