By Svetlana Kovalyova and Deepa Babington MILAN/ROME (Reuters) - Climate change bringing floods and drought, growing biofuel demand and national policies to protect domestic markets could drive up global food prices and threaten long-term food security, the United Nations said. [More]
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Feed SubscriptionElectornic Gadgets Before Bed Can Hinder Sleep
The National Sleep Foundation released the results of its annual sleep poll today, where they surveyed more than 1,500 people between ages of 13 and 64. Here are some of the findings:
Read More »Lead and asbestos in homes need tighter control
By Alister Doyle, Environment Correspondent OSLO (Reuters) - The health risks from toxins such as lead in old paint or asbestos in walls are too often overlooked when homes are upgraded, according to a study on Sunday calling on governments to set tougher pollution rules. [More]
Read More »Predicting the Future of Oil
[Please note this podcast episode is longer than 60 seconds.]
Read More »Perception of Our Physical State When Depressed or Anxious
Past studies have shown that something called "negative affect" (which is an overall smorgasbord of anger, sadness, fear, irritation, etc.) causes us to inflate the number of physical symptoms we feel. But recent research from the Journal of Personality and Social Psychology.
Read More »Energy at the movies. Huh?
Different branches of science have played famous roles in lots of movies. But one category is often overlooked: sources of energy, even though the plots and turning points of major movies have hinged on just that. How likely is the potential nuclear reactor meltdown in China Syndrome (Jane Fonda, Jack Lemmon)
Read More »An Inside Look at a Colonoscopy [Video]
March is National Colorectal Cancer Awareness month, when public health groups take special pains to promote screening for cancer of the rectum and colon. A leading cause of cancer deaths in the U.S., this disease kills about 50,000 people each year; caught early, however, it has a good chance of being cured.
Read More »An unusual elongated Martian crater tells tale of a train of impacts
[More]
Read More »A Pill to Remember
It has happened to everyone. You can’t recall a name or you forget your credit card PIN number.
Read More »Early Microscopes Offered Sharp Vision
By Philip Ball The first microscopes were a lot better than they are usually given credit for. [More]
Read More »Raze of Glory: NASA Earth-Observing Climate Satellite Fails to Reach Orbit
In the last few years NASA has built and launched two world-class climate satellites, both of which promised invaluable new data on the natural and human influences on Earth's changing climate. Neither of them, however, will ever deliver the data that climate scientists so eagerly expected from them.
Read More »Antarctic Ice Can Grow from the Bottom
A new study suggests some of Antarctica's ice sheet grows from the bottom up, adding a new wrinkle to efforts to predict how the continent's glaciers will respond to climate change. Radar images show that water under the base of the ice sheet refreezes into ice, creating a new bottom layer that accounts for up to half the total thickness of the ice sheet in some locations
Read More »Heavy traffic calls for "super-streets"
If you’ve ever commuted through New York City during rush hour, you’ve probably experienced stress-inducing traffic, over-stuffed subway cars, or delays that don’t care if you’ve given yourself an extra half hour. In 1924 the New York metropolitan area’s population was already large enough to get the Transit Commission thinking of ways to accommodate future traffic needs
Read More »MIND Reviews: Bonds That Bind
Who we know determines who we are. Three new books reveal how much heroes and even distant acquaintances influence us.
Read More »Gravity, by George Gamow [Special Archive Article]
Editor's note: This article originally appeared in the March 1961 issue of Scientific American. In the days when civilized men believed that the world was flat they had no reason to think about gravity. There was up and down
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