News
- Life
Orca moms baby their adult sons. That favoritism pays off — eventually
By sharing fish with their adult sons, orca moms may skimp on nutrition, cutting their chances of more offspring but boosting the odds for grandwhales.
- Health & Medicine
How fingerprints form was a mystery — until now
A theory proposed by British mathematician Alan Turing in the 1950s helps explain how fingerprint patterns such as arches and whorls arise.
- Astronomy
The Kuiper Belt’s dwarf planet Quaoar hosts an impossible ring
Quaoar’s ring lies outside the Roche limit, an imaginary line beyond which rings aren’t thought to be stable.
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