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Did a Hormone Create Human Civilization?

August 29, 2012
Researcher Paul Zak thinks so, and he's proving it by taking blood samples from all sorts of people, from a bride and groom on their wedding day to tribal warriors in Papua New Guinea as they prepare to perform traditional... continued

We’re Running Out of Fish

August 29, 2012
In the future, the wide variety of fish available in our grocery stores and fish markets may be only a memory. Commercial fishers are netting huge numbers of fish, while dams such as the Hoover, built along the Colorado River,... continued

Our Brain Takes Snapshots

August 29, 2012
It turns out that the human brain takes a series of snapshots, very quickly, that appears to us as continuous perception. This is the way a movie filmstrip works--the dark line between each frame tricks the eye and the brain... continued

Salt Has a Bad Reputation

August 28, 2012
Sugar can make you stupid and margarine makes you aggressive and salt gives you high blood pressure, right? Wrong. Nutritionists used to tell us that salt would raise our blood pressure, cause hypertension and increase the risk of premature death,... continued

Can Animals Outrun Climate change?

August 28, 2012
Nearly one-tenth of hemisphere's mammals are unlikely to outrun climate change. A safe haven could be out of reach for 9% of the Western Hemisphere's mammals, and as much as 40% in certain regions, because the animals just won't move... continued

Bad Sperm in Israel–We Know Why

August 28, 2012
Sperm quality is down everywhere, and the suspected causes range from estrogen in our drinking water to pesticides, but Israel worse off than other developed countries. This is a real problem for women looking for IVF fertilization. In the August... continued

Eat Dessert After Breakfast

August 27, 2012
A weight researcher claims that dieters have less hunger and cravings throughout the day and are better able to keep off lost weight if they eat dessert after breakfast. Endocrinologist Daniela Jakubowicz says, "The goal of a weight loss diet... continued

What About Airport Germs?

August 27, 2012
As if X-rays weren't enough, we have to take our shoes off in an airport. Do we pick up dangerous germs if we've forgotten to wear socks? And what about those bins--is the TSA line going to replace hospitals as... continued

Memory May be Genetic

August 27, 2012
We know that we inherit genes from our ancestors, but can we inherit their memories? This happens among animals and insects: Birds are born with their migration patterns within them and the Monarch butterfly, for instance, makes a long trip... continued

You’re Being WATCHED

August 24, 2012
A camera system called "Trapwire," created by the CIA, is being installed in the US. Closed-circuit TV surveillance of this sort is common in the UK, where cameras were set up on city streets years ago to detect IRA bombings,... continued