News in Brief
- Neuroscience
Here’s a rare way that an Alzheimer’s protein can spread
Amyloid-beta found in vials of growth hormone can move from brain to brain, a mouse study shows.
- Astronomy
The Parker Solar Probe takes its first up-close look at the sun
NASA’s Parker Solar Probe survived its first encounter with the sun and is sending data back to Earth.
- Life
Biologists are one step closer to creating snake venom in the lab
Milking snakes for venom may soon no longer be needed to make antidotes for bites.
- Life
Getting goose bumps could boost hair growth
The same nerves and muscles that create goose bumps may make hair grow.
- Physics
A satellite screw-up reaffirms Einstein’s theory of gravity
Two spacecraft confirm that time passes more slowly closer to Earth’s surface.
- Materials Science
Magnets make a new soft metamaterial stiffen up in a flash
Scientists can dial the stiffness of a bizarre new type of synthetic material up or down using magnets.
- Climate
Global carbon dioxide emissions will hit a record high in 2018
Carbon dioxide emissions from China, the United States and India all rose this year, a new report finds.
- Animals
Pea aphid youngsters use piggyback rides to escape a crisis
When some mammal is about to munch their plant, aphids drop to the ground and youngsters want a ride to safety.
- Life
How some sap-sucking insects fling their pee
Sharpshooters hurl their pee with structure called a stylus, which sends droplets flying at 20 times the acceleration of Earth’s gravity.
- Particle Physics
The Large Hadron Collider is shutting down for 2 years
The world’s largest particle accelerator will restart in 2021 at higher energy.
- Archaeology
Stone Age people conquered the Tibetan Plateau’s thin air
Stone tools that are at least 30,000 years old suggest that people settled the high-altitude Tibetan Plateau earlier than scientists thought.
- Neuroscience
Zaps to a certain spot in the brain may ease depression
When implanted electrodes stimulated a brain region just behind the eyes, people’s spirits were raised immediately.
