Tech
A mosquito’s mouth can ‘print’ lines thinner than a human hair
Scientists turned a mosquito’s straw-like mouthpart into a 3-D printing nozzle that creates ultra-thin lines.
By Payal Dhar
Heredity: Inheritance and Variation of Traits
More Stories in Heredity: Inheritance and Variation of Traits
- Artificial Intelligence
AI can now write working genetic instruction books from scratch
Two AI models designed these genomes for viruses that kill E. coli bacteria. They’re the first functioning full sets of DNA ever designed by machines.
- Animals
Horses became gentle and easy to ride thanks to two gene mutations
Horse breeders altered two genes by targeting certain traits in horses. One made the animals tamer. Another made their backs sturdy enough to carry riders.
- Health & Medicine
9 things to know about lead’s health risks — and how to curb them
Lead has been linked to lower IQ, behavior problems, mental-health disorders, strokes and more health impacts. There are ways to reduce your exposure.
- Animals
Paw-print DNA lets scientists track out-of-sight polar bears
This environmental DNA can aid in conserving species that are hard or dangerous to observe.
- Animals
Here’s how kingfishers avoid concussions during high-speed dives
Understanding the genetic adaptations that protect the birds’ brains as they dive might one day offer clues to protecting human brains.
- Archaeology
Iron Age grave in England points to a possible woman warrior
The grave holds a sword. It hints the buried woman fought or helped plan raids some 2,000 years ago in what’s now southwest England.
- Plants
Scientists Say: Fertilize
This word describes both a stage of sexual reproduction and the agricultural practice of adding nutrients to soil.
- Life
Scientists Say: Mycelium
These fibrous networks are the reason plants think fungi are such "fun guys.”
- Animals
Explainer: What is animal domestication?
The difference between a dog and a wolf isn’t looks or genes or even behavior. It’s the relationship these animals have with people.
