News
- Tech
Plastic fantastic seals in speeding projectiles
Layered nanomaterial shows how bulletproof polymers wrap around penetrating particles.
- Health & Medicine
Smoking laws limit heart attacks
A county that banned smoking in bars, restaurants and other workplaces saw a one-third decrease, a new study finds.
- Earth
Low central pressure among Hurricane Sandy’s unusual features
After slamming the Caribbean, storm approaches landfall in mid-Atlantic states.
- Earth
Ozone hole at smallest size in decades
Warm Antarctic temperatures help preserve UV-protecting layer.
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