How ancient parasite wormed its way into human life

Jun 20, 2014

How ancient parasite wormed its way into human life

In a skeleton more than 6,200 years old, scientists have found the earliest known evidence of infection by a parasitic flatworm, revealing how human advancement enabled a creature resembling a tiny slug to spread. Today it afflicts more than 200 million people. Archaeologists discovered ...

Were dinosaurs cold-blooded killers? Perhaps not

Jun 13, 2014

Were dinosaurs cold-blooded killers? Perhaps not

The hot question of whether dinosaurs were warm-blooded like birds and mammals or cold blooded, like reptiles, fish and amphibians, finally has a good answer. Dinosaurs, for eons Earth’s dominant land animals until being wiped out by an asteroid 65 million years ago, were ...

Porn could affect men's brain size, German research hints

May 30, 2014

Porn could affect men's brain size, German research hints

Researchers have found less gray matter in the brains of men who perused large amounts of sexually explicit material. The research, which appeared Wednesday in the journal JAMA Psychiatry, could not determine if pornography actually caused the brain to shrink, however, and the authors ...

Superbug threat requires urgent world action: scientists

May 23, 2014

Superbug threat requires urgent world action: scientists

Superbugs resistant to drugs pose a serious worldwide threat and demand a response on the same scale as efforts to combat climate change, specialists on infectious diseases said on Thursday. Warning that a world without effective antibiotics would be “deadly,” with routine surgery, organ ...

Simplest animals may help cure brain disease

May 22, 2014

Simplest animals may help cure brain disease

A Florida scientist studying simple sea animals called comb jellies has found the road map to a new form of brain development that could lead to treatments for Parkinson’s, Alzheimer’s and other neurodegenerative diseases. “There is more than one way to make a brain,” ...