Animals
- Animals
Ravens pass tests of planning ahead in unnatural tasks
Clever birds may have evolved their own broad powers of apelike thinking about the future.
- Animals
Whales feast when hatcheries release salmon
Whales: “They’re 40 feet long and they’re feeding on fish that are the size of my finger.”
- Genetics
DNA evidence is rewriting domestication origin stories
DNA studies are rewriting the how-we-met stories of domestication.
- Animals
The blue wings of this dragonfly may be surprisingly alive
The wings of adult morpho dragonflies show tiny respiratory channels that may support a complex of nanostructures that shine blue.
- Genetics
Horse version of ‘Who’s your daddy?’ answered
Genetics and horse pedigrees reveal all modern domestic stallions’ sires.
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- Plants
Floral curve test shows what’s great for a moth is not so good for a flower
3-D printed flowers reveal a hidden conflict between a hawk moth and the flowers it pollinates.
- Animals
Drowned wildebeests can feed a river ecosystem for years
Only a small percentage of wildebeests drown as they cross the Mara River, but they provide resources for the river ecosystem for years after their deaths.
- Animals
This glass frog wears its heart for all to see
A newly discovered glass frog species has skin so clear that it reveals most of the animal’s internal organs, including the heart.
- Life
Flight demands may have steered the evolution of bird egg shape
An analysis of nearly 50,000 bird eggs finds a link between a species’ egg shape and flight ability.
- Genetics
DNA reveals how cats achieved world domination
Analysis of 9,000 years of cat remains suggests two waves of migration
- Paleontology
New fossils shake up history of amphibians with no legs
The oldest near-relative of today’s snake-shaped caecilians could have an unexpected backstory.
