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Health & MedicineScottish kids’ asthma declined after smoking ban
Hospitals report a drop in asthma emergencies among children since a law prohibiting lighting up in public buildings went into effect in 2006.
By Nathan Seppa -
LifeEnvironmental DNA modifications tied to obesity
Chemical changes that affect gene activity could underlie many common conditions, a new study suggests.
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SpaceBetween the sheets
The detection of layered minerals in a young star’s planet-forming region suggests an origin for Earth’s oceans.
By Ron Cowen -
LifeCuckoos thrown off by climate change
With earlier springs, the birds are duping a different mix of adoptive parents into raising their young.