Life
We summarize the week's scientific breakthroughs every Thursday.
- Animals
Guys Roll Eyes: Fish show some eyeball to their rivals
During breeding season, male fish roll their eyes to send a quick "Back off, punk" signal to other males, researchers say.
- Paleontology
Paleotrickery: A lengthy lineage for leaf-mimicking insects
Species in one group of insects have escaped the hungry eye of predators by looking like foliage and moving like swaying leaves for at least 47 million years, a new fossil find suggests.
- Ecosystems
Most Bees Live Alone
Concern about honeybee shortages has inspired new interest in bees that lead solitary lives and don't bother storing honey.
- Animals
No-Dad Dragons: Komodos reproduce without males
Two female Komodo dragons in zoos have startled their keepers by laying viable eggs without males, possibly as a last resort at a time when mates are in increasingly short supply.
- Paleontology
Mammals started flying when birds did
The first gliding mammal winged through forests at least 70 million years earlier than scientists had previously presumed, a new fossil shows. The specimen dates from about 150 million years ago, during the time when birds were developing flight. ANCIENT GLIDER. Volaticotherium antiquus was gliding through ancient forests 150 million years ago. The creature weighed […]
- Animals
Extreme Tongue: Bat excels at saying ‘Aah’
The new champion among mammals at sticking out its tongue is a small bat from Ecuador.
- Ecosystems
Going Native: Diverse grassland plants edge out crops as biofuel
Biofuels made from mixtures of plants native to prairies can yield more net energy than do biofuels derived from corn and soybeans.
- Animals
Ebola Die-Off: Gorilla losses tallied in central Africa
Between 2001 and 2005, Ebola virus killed at least 5,500 lowland gorillas in the Republic of the Congo.
- Animals
New Butterfly: High-alpine species from low-life parents
Little bluish butterflies high in the Sierra Nevada could be one of the few animal species to have arisen from crossbreeding of two other species.
- Animals
Fighting Styles: Gene gives flies his, her conflict moves
Switching forms of one gene can make a male fruit fly fight like a girl, and vice versa.
- Animals
Tough policing deters cheating in insects
In insect societies that have tough police, it's coercion, rather than kinship, that's preventing crime.
- Animals
Chicken Speak: Birds pass test for fancy communication
The chicken may be the first animal other than primates that's been shown to make sounds that, like words, represent something in the environment. With audio.
