537 results
537 results for: Crows
- Animals
Crows may be able to make analogies
Crows with little training pass a lab test for analogical reasoning that requires matching similar or different icons.
- Animals
Hungry elephants turn trunks into leaf blowers
Darwin once observed an elephant using its trunk to blow an object closer. Japanese zoo elephants use the behavior to obtain food, a new study reports.
- Paleontology
Dinosaurs may have used color as camouflage
Fossilized pigments could paint a vivid picture of a dinosaur’s life.
- Animals
A naturalist recounts birds’ lives in the Scottish Highlands
In Gods of the Morning, a naturalist chronicles how birds and other wildlife withstand the changing seasons in the Scottish Highlands
- Science & Society
Nash’s mind left a beautiful legacy
The death of game theory pioneer John Nash ends a dramatic story of genius.
- Animals
A parasitic cuckoo can be a good thing
Great spotted cuckoo chicks show that brood parasites may benefit their hosts.
- Earth
Oxygen wafted into Earth’s atmosphere earlier than thought
Date pushed back to 3 billion years ago, suggesting photosynthesis had evolved by then.
- Animals
Head cam shows how falcons track prey
Falcons use motion camouflage to capture flying prey, a new study shows.
- Life
Flu antibodies can make disease worse
Pigs vaccinated against one influenza virus got lung damage if infected with another strain.
- Science & Society
Logarithms celebrate their 400th birthday
Four centuries ago, John Napier provided human calculators the time-saving gift of logarithms.
- Animals
There’s plenty of bling in the natural world
Beetles that look like solid gold are just the start to jewel-like and metallic looks in nature.
- Animals
Slow, cold reptiles may breathe like energetic birds
Finding birdlike air patterns in lungs of crocodilians and in more distantly related lizards raises the possibility that one-way airflow evolved far earlier than birds themselves did.
