A burst of brain activity just after the heart stops may be the cause of so-called near-death experiences, scientists say.
The insight comes from research involving nine lab rats whose brains were analyzed as they were being euthanized. Researchers discovered what appears to be a momentary increase in electrical activity in the brain associated with consciousness.
Although the experiment relied on animals, the results could apply to humans, too, the researchers say.
When Cecile Kyenge became the first black government minister in Italian history, the appointment was hailed as a landmark for diversity. But since Kyenge became integration minister, she has been the target of death threats and vicious racial slurs.
The debate highlights growing intolerance and what Prime Minister Enrico Letta has called a shameful chapter for Italy.
Chinese beachgoers walk by an algae-covered public beach in Qingdao, China, in July. The seas off China have been hit by their largest-ever growth of algae, ocean officials say, with waves of green growth washing onto the shores.
Credit AFP/Getty Images
A 2011 satellite photo shows algae blooms swirling on Lake Erie. Experts are expecting another large bloom this year on the lake.
Algae blooms are green or red or brown, slimy, smelly and you don't want it coming soon to a waterfront near you.
Most of us don't give a lot of thought to algae until the furry-like monstrosity is spreading over beaches, rivers, lakes and bays, but gigantic algae blooms have become an increasing problem around the world.
The danger algae blooms pose is that they sap the body of water where they are growing of nutrients and oxygen; they then die, decompose and rot.
How short is too short, according to the law? Wardrobe choices, or lack thereof, raise all sorts of issues — from First Amendment concerns to questions of equality, sexuality and control.
Ruthann Robson's new book, Dressing Constitutionally Hierarchy, Sexuality, and Democracy from Our Hairstyles to Our Shoes, examines anecdotes throughout history demonstrating the ways fashion and laws can conflict or influence one another. Robinson talks with Jacki Lyden, host of weekends on All Things Considered, about some of those examples.