Science

So lost human penile spines

So lost human penile spines

I Most male mammals have bones covered with keratin, like nails, which they use to scrap the sperm of competitors and irritate female penis to encourage ovulation. A study by scientists from the universities of Stanford and Pennsylvania, in the ...

Start the International Year of Chemistry 2011

Start the International Year of Chemistry 2011

The UN General Assembly has proclaimed 2011 as the International Year of Chemistry to raise awareness about the contributions of this science to the welfare of mankind. Under the motto "Chemistry: our life, our future", the objectives of this commemoration ...

The ability to feel cold can be disabled

The ability to feel cold can be disabled

I US researchers at the University of Southern California have managed to eliminate cold sensitivity in mice extirpándoles a particular type of neurons. Rodents kept, however, the feeling of warmth and touch, according to the study published in the Journal ...

Alligators breathe like birds

Alligators breathe like birds

Studying the lungs of alligators, American scientists have discovered that the air they breathe flows in one direction, as occurs in birds. This breathing could have helped the dinosaurs and pterosaurs to dominate Earth after the greatest mass extinction suffered ...

Climate change is in the air

Climate change is in the air

If you feel that the air around him is becoming "sticky" will not misled. A British study published today in the journal Nature reveals that greenhouse gases, especially methane and carbon dioxide, are turning more humid atmosphere of Earth. "It's ...