News
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ADHD kids show slower brain growth
A new brain-scan investigation indicates that attention-deficit hyperactivity disorder involves substantial delays in children's brain development.
- Anthropology
Ancient-ape remains discovered in Kenya
Newly unearthed fossils of a 9.8-million-year-old ape in eastern Africa come from a creature that may have evolved into a common ancestor of African apes and humans.
- Health & Medicine
Biohazard: Smoking before or after pregnancy may harm daughters’ fertility
Smoking before pregnancy or during breastfeeding might impair the female offspring's fertility, a study in mice shows.
- Physics
Einstein Unruffled: Relativity passes stringent new tests
The moon's orbit and the dilated time of speeding atoms give new meaning to 'Einstein was right.'
