Three ways to prevent school shootings, based on research

In the months leading up to his 2012 attack that killed 26 people in Newtown, Connecticut, a 20-year-old man exhibited a cascade of concerning behaviors. He experienced worsening anorexia, depression and obsessive-compulsive ...

Wikipedia launches iPhone application

Wikipedia said it has released an iPhone application as part of a drive to open the pages of its revered online encyclopedia to the booming ranks of smart phone users.

Video: How is ceviche 'cooked?'

What does it mean to have "cooked" something? Is heat the only way to break down proteins and transform raw ingredients?

Video: Why isn't weed killer working anymore?

Farmers used to worry about weeds. Then, herbicides solved that problem. At least for a while. In 1997, there were 432 new patents for herbicides; by 2009, there were only 65.

Horn fly resistance observed in organic Holstein cattle

Some Holstein dairy cattle, particularly those with white coat coloration, naturally fend off the horn fly, a parasitic insect known to cause stress and disease in grazing cattle, according to new research conducted in Penn ...

page 1 from 5