aloha buenaventura

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Networked Organisms And Habitats

Habitats

How We Learn To See Faces

Science & InnovationOnly Human<p>Two eyes, aligned horizontally, above a nose, above a mouth. These are the basic elements of a face, as your brain knows quite well. Within about 200 milliseconds of seeing a picture, the brain can decide whether it’s a face or some other object. It can detect subtle …

Warrior Graduation Ceremony Reveals Kenya at a Crossroads

As young Samburu men become leaders, their community responds to change.<p><b>Some 423 warriors. Hundreds of cattle slaughtered. A gathering of 130 families to create a grand ceremonial village. This is a strong culture in Kenya, thriving in a world that pushes many indigenous people toward unwanted</b> …

October 2013

Can Phobias Be Cured in Our Sleep?

The brain can be trained to overcome fear during sleep, new research suggests.<p><b>You may think you're doing nothing at night, but to your brain, sleep means finally having some spare time to take stock of the day's events. Freed from the distractions of recording new experiences, a deeply sleeping</b> …

Maybe U.S. public schools don't stink

The drumbeat is hard to miss: Our schools are failing. Public education is in crisis. Our students are falling further and further behind.<p>The rhetoric comes from the left and right, from educators and politicians and lobbyists and CEOs and even Education Secretary Arne Duncan. The deep dysfunction …

Cloning, Stem Cells Long Mired In Legislative Gridlock

The news that U.S. scientists have successfully cloned a human embryo seems almost certain to rekindle a political fight that has raged, on and off, since the announcement of the creation of Dolly the sheep in 1997.<p>"The issue of legislation on human cloning is about to get hot again," says Hank …

Independent midwives – and home births – are under threat

I was accused on national radio last week of risking my son's life by giving birth at home. I had been talking on the BBC's Woman's Hour about the …

Why Animals "Adopt" Others, Including Different Species

Odd alliances often form due to instinct—but empathy may be involved.<p><b>A feel-good tale of sperm whales "adopting" a deformed bottlenose dolphin made an Internet splash this week. The story resonated with readers, including Reddit commenter Fallapoo, who said: "I see a Disney movie in the works."</b><p><b>But</b> …

Controversial update to 'bible' of psychiatry fuels debate over foundations of mental health

One book raises big questions<p>For years, the diagnosis of mental illness has largely relied upon one book — the <i>Diagnostic and Statistical Manual of Mental Disorders</i>, or <i>DSM</i>. Published by the American Psychiatric Association (APA), the <i>DSM</i> offers detailed classifications and criteria for conditions …

Online brain-training: does it really work?

My week has been pretty hectic so far. On Monday, I manned a busy beach bar and had to remember a range of ice-cream and pizza orders for a constant …