Health & Medicine
Will we all need COVID-19 booster shots?
Experts say not yet, but booster vaccines may be coming as new SARS-CoV-2 virus variants keep emerging.
Word of the Week
Chemistry
Scientists Say: Fulgurite
When lightning strikes in the right place, it can fuse minerals together in a glassy structure.
Explainers
Animals
Explainer: What are cicadas?
There are more than 3,000 species of cicadas, but the best known in North America are periodical cicadas, which emerge every 13 or 17 years.
Analyze This
Health & Medicine
Analyze This! Mosquito repellents that work
Spray-on repellents are generally the best at keeping those blood suckers from making you their next meal, new data show.
What's Hot
Summer Fun
Watch This
These rabbits can’t hop. A gene defect makes them do handstands
Mutations in a gene that helps nerve cells work properly rob rabbits of their ability to hop. Instead, the animals use their front paws to move.
