Viagra may lessen effects of jet lag

Viagra helps laboratory rodents recovery from circadian disruptions similar to jet lag.

Fish Free Fall: Hormone leads to population decline
Trace amounts of the synthetic estrogen used in birth control pills can cause a fish population to collapse.

Babies see their way to language insights
Babies 4 to 6 months old can distinguish between two languages solely by watching a speaker's face, without hearing sound.

Migraines in men linked to heart attack risk
Men who experience migraine headaches are somewhat more likely to have heart attacks than are other men.

Unintended consequences of cancer therapies
Radiation and chemotherapy can destroy a tumor, but they may also indirectly promote metastasis, the spread of cancerous cells to other organs.

The new drugs are pH sensitive and only affect damaged tissue, resulting in fewer side effects.

Ice Age Ends Smashingly: Did a comet blow up over eastern Canada?
An extraterrestrial object apparently exploded above Canada about 12,900 years ago, sparking devastating wildfires and triggering a millennium-long cold spell.

Packaging Peril: Chemicals in food wrapping turn toxic
Chemicals that prevent grease from seeping through food packaging can transform into a suspected carcinogen.

Tea--Milking It
Adding milk doesn't diminish tea's antioxidant bounty, research finds.

Carbon's mysterious magnetism
An X-ray experiment has yielded the most conclusive evidence to date that carbon can be magnetic.