Life
We summarize the week's scientific breakthroughs every Thursday.
- Animals
Animal personalities can play a big role in saving species
From bold foxes to gregarious birds, animals’ personalities are increasingly being seen as crucial to conservation efforts.
- Animals
How cheetah mummies could help bring the species back to Arabia
Arabian cheetah mummies' DNA reveals that the long-lost population could be closely replaced by a cheetah population in northwestern Africa.
- Paleontology
This dino’s fossil claw suggests it snatched eggs, not insects
A 67-million-year-old claw fossil reveals a new dinosaur species that may have used its hand spikes to snatch and pierce eggs.
- Plants
Plants packed close enough to touch are more resilient to stress
Signals transmitted via leaves can warn neighboring plants of stressful events, making the group collectively more resilient than plants in isolation.
- 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.
- Animals
An all-female wasp is rapidly spreading across North America’s elms
The elm zigzag sawfly has spread to 15 states in five years. Now it's attacking the tree that cities planted to replace Dutch elm disease victims.
- Climate
Hidden tree bark microbes munch on important climate gases
Trees are known for absorbing CO2. But microbes in their bark also absorb other climate-active gases, methane, hydrogen, and carbon monoxide.
- Neuroscience
Easy on the eyes is also easy on the brain
A new study finds that the brain spends less energy processing scenes that people find aesthetically pleasing.
- Animals
In a Quebec park, a science game brings predator-prey dynamics to life
Results show that players’ choices echo predator-prey patterns seen in wildlife, though scientists stress the limits of the analogy.
- Animals
These sick baby ants sacrifice themselves to protect their colony
When infected by a fungal disease, ant pupae actively emit a chemical cue that prompts workers to get rid of them for the good of the colony.
