Animals
- Animals
Rock ants favor left turns in unfamiliar crevices
Rock ants’ bias for turning left in mazes, a bit like handedness in people, may reflect different specializations in the halves of their nervous system.
- Animals
The scent of a worry
The smell of fear makes other rats stressed. Now, scientists have isolated the Eau de Terror that lets rats communicate their concerns.
- Genetics
The year in genomes
From the tiny Antarctic midge to the towering loblolly pine, scientists this year cracked open a variety of genetic instruction manuals to learn about some of Earth’s most diverse inhabitants.
- Life
Bird flu follows avian flyways
A deadly bird flu virus spreads along wildfowl migration routes in Asia.
- Animals
Starving mantis females lie to make a meal of a male
When in desperate straits, a female false garden mantid turns into a femme fatale, emitting false chemical cues that lures in a male to eat.
- Animals
It’s bat vs. bat in aerial jamming wars
In nighttime flying duels, Mexican free-tailed bats make short, wavering sirenlike sounds that jam each other’s sonar.
- Animals
Lucky break documents warbler tornado warning
Warblers fitted with data collecting devices for other reasons reveal early and extreme measures when dodging April’s tornado outbreak.
- 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.
- Genetics
Domestication did horses no genetic favors
Horses bear the cost of domestication in the form of harmful genetic variants, a study of equine DNA finds.
- Animals
The dinosaurs in the backyard
Chickens are some of the closest relatives of dinosaurs, and though genetic tinkering the birds might even one day be turned into tiny dinos.
- Genetics
Year in review: Genes linked to tameness
A look at the genes of domesticated animals offers possible insights into why taming has altered animals’ appearances.
- Animals
Year in review: Insect, bird evolution revisited
Insects got an entirely new family tree after an extensive genetic analysis rearranged the creatures' relations.
