Recent Contributions

• Lawmakers seek protections for workers against lung damage tied to making countertops
• Workers are falling ill, even dying, after making kitchen countertops
• As made-to-order DNA gets cheaper, keeping it out of the wrong hands gets harder
• North America has lost 3 billion birds, scientists say
• EPA chief pledges to severely cut back on animal testing of chemicals
• Kids see bearded men as strong — but unattractive, study finds
• Sharks have few places to hide from fishing, study shows
• As NASA aims for the moon, an aging space station faces an uncertain future
• Billion-dollar gamble: How a 'singular hero' helped start a new field in physics
• For science: NASA is pretending an asteroid is on its way to smack the Earth