All Stories by Meghan Rosen
- Fossils
New analysis halves massive dino’s weight
No question about it, Dreadnoughtus schrani was enormous. But a new estimate concludes this dino weighed just half as much as first thought.
- Animals
Picture This: The real ‘early bird’
Long before dinosaurs went extinct, birds were emerging on Earth. These hummingbird-size wading birds are the earliest known ancestors of today’s birds.
- Environment
Soot fouls subway stations — and maybe lungs
Soot levels in stations for New York City’s electric subway trains exceed the levels outdoors, a new study finds. The underground source of this black carbon: maintenance trains that share the tracks with subway trains. Breathing soot can aggravate asthma and other lung disease.
