Archive for the ‘Human’ Category


Driving while blabbing - Thursday, September 17th, 2009

How many dead? Research and real-life experience prove that people die when drivers pick up the cellphone. Even worse: texting on the road!



North Korea’s nukes - Thursday, June 11th, 2009

Underground nuclear tests have been the biggest roadblock to a comprehensive test ban. How are these explosions detected, and how reliably?



Mass killings - Thursday, April 16th, 2009

After another mass murder — 13 dead in Binghamton, N.Y. — The Why Files wants to know why they pull the trigger. What are the warning signs of “rampage” shootings? Can they be prevented?



Aggression -Another feelgood emotion? - Thursday, January 24th, 2008

In the brain, dopamine carries signals that make us eat, take drugs and have sex. New research shows that dopamine plays a key role in rewarding mice for aggression.



California burnin’: Are we building in harm’s way? - Thursday, November 1st, 2007

California’s fires are a tragedy, but are human actions making them worse? What is the role of global warming and zoning? Can we build safer houses in safer locations?



Coral Reefs: Imagine an Ocean without them! - Thursday, September 21st, 2006

Hurricanes, disease and heat deliver another body blow to Caribbean coral reefs — the centers of biodiversity, fish nurseries and guardians of shorelines. Must we kiss coral goodbye?



Trees: Natural Barrier to Tsunami Waves? - Thursday, October 27th, 2005

Could something as simple, cheap and natural as a forest protect a coastline from a tsunami’s titanic wave? It’s looking that way…



Radiation and Health: What Do We know? - Thursday, August 11th, 2005

What are the health effects of low-level radiation? How much cancer results from a small dose increase? If the hazard is small, are we wasting money on radiation protection? Lessons from Hiroshima and Chernobyl.



Salvage Logging: Helpful or Harmful? - Thursday, March 4th, 2004

Salvage logging of forests after natural disturbances is a bad idea, ecologists warn. Evidence from a forest whacked by a 1938 hurricane show how salvage logging changes the landscape.



Global Warming: Will Parasol Imperil Plants - Thursday, January 9th, 2003

If we put up a giant umbrella to shield the Earth from global warming, what will happen to plant productivity?


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