6,745 results
- Animals
Grizzly bears get stressed from salmon decline
Grizzlies in coastal British Columbia bulk up on salmon in the fall, but they experience stress when the fish are scarce.
- Anthropology
Ancient Maya bookmakers get paged in Guatemala
New discoveries peg ritual specialists as force behind bark-paper tomes and wall murals.
- Planetary Science
Water arrived on Earth earlier than thought
Ancient meteorites from the asteroid Vesta indicate that Earth’s water was available before planet formed.
- Animals
Apes do the darndest things
Several chimp behaviors have researchers wondering if apes are a good model for early hominid life.
- Anthropology
Romanian cave holds some of the oldest human footprints
A group of Homo sapiens left footprints about 36,500 years ago, not 15,000 as scientists had thought.
- Genetics
Genes tell tale of cat domestication
A peek into cats’ genetic makeup may help reveal how hissing wild felines became purring tabbies.
- Paleontology
Preserved pterosaur eggs hint at reptile’s social life
The first 3-D pterosaur eggs, which were found in China, suggest that the flying reptiles laid eggs together.
- Life
The tree of life gets a makeover
Biology’s tree of life has morphed from the familiar classroom version emphasizing kingdoms into a complex depiction of supergroups, in which animals are aligned with a slew of single-celled cousins.
- Planetary Science
Two travelers from far beyond Neptune return home
Two bodies approaching from the edge of the solar system may have been tossed out there by Jupiter over 4 billion years ago.
- Animals
Aboriginal lizard hunting boosts kangaroo numbers
An aboriginal technique for hunting lizards with fire in Western Australia feeds wallaroo populations.
- Microbes
One giant leap for zit-causing microbes
A bacterium that lives on humans and causes acne also hopped to domesticated grapevines and relies on the plant for crucial DNA repairs.
- Chemistry
Quantum chemistry may be a shortcut to life-changing compounds
Quantum chemistry could launch a manufacturing revolution, helping to identify materials for improved solar cells, better batteries or more effective medicines.
