Fat Is In. Sugar Is Out. But Is it Good Science?
As the angst of healthy people everywhere has turned toward sugar, health experts say there is a larger take away than treating sweet foods as the new health culprit.
What's the Latest?
In March of this year, a comprehensive study published in the journal Annals of Internal Medicine cast serious doubt on the link between eating saturated fat and contracting heart disease. If one piece of health advice was considered rock-solid, it was the link between saturated fat and heart problems. But the prevalence of that advice may have caused us all to overcompensate in an equally unhealthy direction, writes the New Scientist:
"In our rush to cut down on saturated fat, we may have inadvertently upped our intake of other unhealthy nutrients, especially sugar. In fact, one of the interesting by-products of the saturated fat debate is that it is helping to reinforce the emerging idea that refined sugar is the real demon in our diets."
What's the Big Idea?
As the angst of healthy people everywhere has turned toward sugar, health experts say there is a larger take away than treating sweet foods as the new health culprit. The real problem is our tendency to locate the causes of health problems in one specific food group. Indeed it's ironic that in our eagerness to be healthy, we fixate on simple and counterproductive solutions. When we do this, a cycle is created in which we move from one unbalanced diet to another. What is needed is a slower, less sensationalized approach to public health; one that concentrates on common sense solutions rather than fix-all approaches to healthy eating.
Read more at New Scientist
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Here's the science of black holes, from supermassive monsters to ones the size of ping-pong balls.
- There's more than one way to make a black hole, says NASA's Michelle Thaller. They're not always formed from dead stars. For example, there are teeny tiny black holes all around us, the result of high-energy cosmic rays slamming into our atmosphere with enough force to cram matter together so densely that no light can escape.
- CERN is trying to create artificial black holes right now, but don't worry, it's not dangerous. Scientists there are attempting to smash two particles together with such intensity that it creates a black hole that would live for just a millionth of a second.
- Thaller uses a brilliant analogy involving a rubber sheet, a marble, and an elephant to explain why different black holes have varying densities. Watch and learn!
- Bonus fact: If the Earth became a black hole, it would be crushed to the size of a ping-pong ball.
Protected animals are feared to be headed for the black market.
In a breakthrough for nuclear fusion research, scientists at China's Experimental Advanced Superconducting Tokamak (EAST) reactor have produced temperatures necessary for nuclear fusion on Earth.
- The EAST reactor was able to heat hydrogen to temperatures exceeding 100 million degrees Celsius.
- Nuclear fusion could someday provide the planet with a virtually limitless supply of clean energy.
- Still, scientists have many other obstacles to pass before fusion technology becomes a viable energy source.
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