News in Brief
- Health & Medicine
Zika kills brain cells in adult mice
Zika virus may harm more than babies: The virus can infect and kill brain cells in adult mice, too.
- Life
Two stationary kinds of bacteria can move when mixed
Bacteria stuck when alone on a dry surface get moving — and get faster — when they evolve together.
- Life
For bacteria, assassination can breed cooperation
Cholera bacteria stabbing each other can encourage the evolution of cooperation.
- Astronomy
Dark matter candidate particles are a no-show in Hitomi data
Before the Hitomi satellite broke apart, it captured data that cast further doubt on evidence of X-rays from dark matter particles in a galaxy cluster.
- Animals
Colugo genome reveals gliders as primate cousins
New genetic analysis suggests gliding mammals called colugos are actually sisters to modern primates.
- Genetics
Scientists get a glimpse of chemical tagging in live brains
For the first time scientists can see where molecular tags known as epigenetic marks are placed in the brain.
- Animals
Betty the crow may not have invented her hook-bending tool trick
Textbook example of Betty the crow’s proposed insight into toolmaking is now called into question by observations of similar hook bending by wild New Caledonian birds.
- Particle Physics
Cooling stars hint at dark matter particles
Stars that cool faster than expected can be explained by hypothetical particles called axions.
- Particle Physics
Upon further review, suspected new particle vanishes
Hints of a new particle at the LHC have disappeared.
- Plants
Internal clock helps young sunflowers follow the sun
A circadian clock helps sunflowers follow the sun’s daily path across the sky
- Health & Medicine
Zika vaccines work in rhesus monkeys
Three vaccines can protect rhesus monkeys from infection with Zika. One of them fended off viral strains from both Brazil and Puerto Rico.
- Health & Medicine
Mosquitoes in Florida now spreading Zika virus, health officials warn
Florida adds 10 new cases of locally acquired Zika infection, prompting the CDC to issue travel warning for pregnant women. Mosquitoes in Miami may be resistant to insecticides.
