News
- Physics
How to peel permanent marker off glass
Water’s surface tension can peel a thin hydrophobic film such as permanent ink off glass surfaces.
- Anthropology
Skeleton ignites debate over whether women were Viking warriors
Scientists spar over a 10th century woman who may have had serious fight in her.
- Paleontology
Like sea stars, ancient echinoderms nibbled with tiny tube feet
An ancient echinoderm fossil preserves evidence of tube feet like those found on today’s sea stars.
- Astronomy
The sun’s strongest flare in 11 years might help explain a solar paradox
The sun tends to release its biggest flares at the ends of solar cycles — and we might finally be able to test why.
