News
- Tech
Mosquitoes use it to suck blood. Researchers used it to 3-D print
A mosquito proboscis repurposed as a 3-D printing nozzle can print filaments around 20 micrometers wide, half the width of a fine human hair.
- Earth
Early Earth’s belly held onto its water
When the early Earth’s magma ocean crystallized 4.4 billion years ago, the deep mantle trapped an ocean’s worth of water, scientists say.
- Animals
Bats might be the next bird flu wild card
Finding that vampire bats along Peru’s coast carried H5N1 antibodies raises concerns that multiple bat species could become reservoirs for the virus.
- Archaeology
Neandertals mastered fire-making tools 400,000 years ago
Archaeologists found flint, iron pyrite to strike it and sediments where a fire was probably built several times at an ancient site in England.
