This Week In Science: Seeing Infrared, Earth’s Shield, and a Bug Smorgasbord
Seven days; lots of science in the news. Here’s our roundup of this week’s most notable and quotable items:
Illustration by Sarah Peavey
The first test flight of the Orion capsule — NASA’s Apollo-like module designed to be the next thing in manned space exploration — was beset by weather-related delays and glitches. Zig-zag marks scratched into a shell about 500,000 years ago, likely by a member of Homo erectus, may be the earliest example of hominid carving. You can probably see infrared light, to some degree. Geckos still stick to surfaces after they die.
Playing just a single season of high school football was found to cause changes in the brain — more so in heavy hitters — even if kids don’t suffer concussions. The 3D printer on the International Space Station spat out its first creation: A replacement part for the 3D printer. It was discovered that Earth is protected by an invisible barrier that keeps high-energy electrons from smashing into our atmosphere.