Life
- Life
Tiny toxic proteins help gut bacteria defeat rivals
A strain of E. coli makes competition-killing tiny proteins and soothes inflamed intestines.
- Health & Medicine
Low social status leads to off-kilter immune system
Low social status tips immune system toward inflammation seen in chronic diseases, a monkey study shows.
- Animals
Dogs form memories of experiences
New experiments suggest that dogs have some version of episodic memory, allowing them to recall specific experiences.
- Animals
Now there are two bedbug species in the United States
The tropical bedbug hadn’t been seen in Florida for decades. Now scientists have confirmed it has either resurfaced or returned.
- Plants
Bacteria help carnivorous plants drown their prey
Pitcher plant drowning traps are more difficult for an insect to escape when bacteria colonize them.
- Paleontology
Cretaceous bird find holds new color clue
New molecular clues in 130-million-year-old bird fossil could help paleontologists firm up case for ancient color in dinosaurs.
- Animals
Brazilian free-tailed bats are the fastest fliers
Ultrafast flying by one bat species leaves birds in the dust.
- Animals
An echidna’s to-do list: Sleep. Eat. Dig up Australia.
Short-beaked echidna’s to-do list looks good for a continent losing other digging mammals.
- Plants
Tweaking how plants manage a crisis boosts photosynthesis
Shortening plants’ recovery time after blasts of excessive light can boost crop growth.
- Health & Medicine
This week in Zika: Vaginal vulnerability, disease double trouble and more
Puerto Rico cases of Zika suggest that the virus prefers women. And two new findings reveal more about Zika’s transmission and ability to survive outside the body.
- Animals
In some ways, hawks hunt like humans
Raptors may track their prey in similar patterns to primates.
- Neuroscience
Despite Alzheimer’s plaques, some seniors remain mentally sharp
Plaques and tangles riddle the brains of some very old and very healthy people.
