News
- Physics
Queen bumblebees are poor foragers thanks to sparse tongue hair
The density of fine hairs on bumblebees’ tongues determines how much nectar they can collect — and workers put queen bees to shame.
- Plants
In a new kind of plant trickery, this yam fools birds with fake berries
Black-bulb yam’s mimicry tricks birds into spreading its berrylike clones. The plant's novel strategy helps it spread without seeds or sexual reproduction.
- Animals
Among chimpanzees, thrill-seeking peaks in toddlerhood
In humans, teens do the most dangerous things. In chimpanzees, that honor goes to toddlers. The difference may lie in caregiver supervision.
