Animals
- Animals
Blind cavefish got no (circadian) rhythm
Eyeless Mexican cavefish have lost their circadian rhythm and become more efficient in the dark, a new study finds.
- Animals
Even on remote islands, busy ports mean more invasives
Islands with lots of trading ties are more likely to be colonized by invasive species, even when they are geographically remote, a new study of anoles reveals.
- Life
Fledgling birds change rules for caterpillar color
An unusual experiment shows that larvae lose the advantage of warning colors during the seasonal flush of naïve predators.
- Animals
Sneaky little giraffe weevils beat big rivals
A little stealth gives smaller giraffe weevil males a leg up when competing with big ones for mates.
- Animals
Chimps raised among humans may have problems as adults
Chimpanzees taken away from their mothers and raised to be pets or entertainers have problems relating to other chimps later in life.
- Ecosystems
‘Where Do Camels Belong?’ explores invasive species
Ecologist Ken Thompson takes a closer look at the impacts (or lack thereof) of invasive species.
- Math
Sharks’ hunting paths may not be driven by math
Penguins, tuna, sharks and other marine hunters have been shown to use math to find food. But simulations suggest the behavior is a result of rough water, not complex calculation.
- Anthropology
Strategy, not habitat loss, leads chimps to kill rivals
Human impacts on chimpanzees have not increased their violence.
- Animals
Mama deer respond to the cries of human babies
Deer mothers approached a speaker playing distress calls of young mammals when the frequency fell into the same range as fawns.
- Animals
Rhinoceros beetle’s horn shape reflects fighting style
The elaborate horns of rhinoceros beetles vary in subtle ways that allow each species to handle the stress and strain of its specific style of battle.
- Paleontology
Lost-and-found dinosaur thrived in water
Fossils pieced together through ridiculous luck reveal Spinosaurus to be the only known dinosaur adapted for regular ventures into water.
- Life
Superslow sloths may have once evolved superfast
Sloths may evolved some of the fastest rates of body growth reported to date for mammals.
