Science News
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In Dec. 22 SN: Our top stories of 2018, baffling star behavior, early hominids in North Africa, the oldest evidence of vanilla, wombat poop physics, Earth’s impact craters and more.
Brian Vastag's Articles
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Smoking ups risk for type 2 diabetes
Smoking increases the risk of developing type 2 diabetes by up to 61 percent. - News
Addiction Alleviator? Hallucinogen's popularity grows
The unsanctioned use of an obscure hallucinogen, ibogaine, to treat addiction has exploded recently. - News
Not Yet: CDC panel questions antidepressant gene test
A genetic test designed to tailor drug treatment for depression offers little clinical value, says a CDC panel. - News
Ancient Ailment? Early human may have carried tuberculosis
A 500,000-year-old Homo erectus skull from Turkey may show telltale signs of tuberculosis, by far the earliest such evidence of the disease. - News
Big kids at risk for heart disease
Overweight children grow up to have an elevated risk for blocked coronary arteries as adults, a long-term Danish study finds. - Feature
The Long Road to Beta Cells
In their quest to cure type 1 diabetes, scientists are finding that turning stem cells into insulin-producing beta cells is a lot harder than it first appeared. - News
Sickle Save: Skin cells fix anemia in mice
Using a new technique to turn skin cells into stem cells, scientists have corrected sickle cell anemia in mice. - News
Malaria's new guises
Scientists have observed Plasmodium falciparum enjoying three distinct lifestyles—two of which have never been seen before—in the blood of infected children. - News
Northwest Passage: Americas populated via Alaska, genetics show
A single population of prehistoric Siberians crossed the Bering Strait into Alaska and fanned out to North and South America, a new genetic analysis of living Native Americans suggests. - News
Wrong Way: HIV vaccine hinders immunity in mice
An HIV vaccine hurts, not helps, the immune systems of mice, say scientists.