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Cuba first to ​eliminate mother-to-baby HIV transmission

Cuba first to ​eliminate mother-to-baby HIV transmission
Cuba has become the first country to eliminate the transmission of HIV and syphilis from mother to baby, the World Health Organisation has announced. The WHO’s director general, Margaret Chan, said it was “one of the greatest public health achievements possible” and an important step towards an Aids-free generation. Over the past five years, Caribbean…
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How small genetic change in Yersinia pestis changed human history

How small genetic change in Yersinia pestis changed human history
While studying Yersinia pestis, the bacteria responsible for epidemics of plague such as the Black Death, Wyndham Lathem, Ph.D., assistant professor in microbiology-immunology at Northwestern University Feinberg School of Medicine, found a single small genetic change that fundamentally influenced the evolution of the deadly pathogen, and thus the course of human history. In a paper…
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‘Armored lizard’ was ancestor of today’s turtles

‘Armored lizard’ was ancestor of today’s turtles
It’s a primitive turtle, but it looks nothing like today’s dome-shelled reptiles. Resembling a broad-bodied, short-snouted lizard, the 240-million-year-old creature—dubbed Pappochelys rosinae—appears to be a missing link between prototurtles and their modern relatives, according to a new study. If so, the find could fill in a number of pieces about turtle evolution. The findings are…
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Climate change threatens to undermine the last half century of health gains

Climate change threatens to undermine the last half century of health gains
The threat to human health from climate change is so great that it could undermine the last fifty years of gains in development and global health, according to a major new Commission, published in The Lancet. However, the report provides comprehensive new evidence showing that because responses to mitigate and adapt to climate change have…
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World’s first biolimb: Rat forelimb grown in the lab

World’s first biolimb: Rat forelimb grown in the lab
The growth of a rat forelimb grown in the lab offers hope that one day amputees may receive fully functional, biological replacement limbs IT MIGHT look like an amputated rat forelimb, but the photo above is of something much more exciting: the limb has been grown in the lab from living cells. It may go…
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New test could reveal every virus that’s ever infected you

New test could reveal every virus that’s ever infected you
Can’t remember every viral infection you’ve ever had? Don’t worry, your blood can. A new test surveys the antibodies present in a person’s bloodstream to reveal a history of the viruses they’ve been infected with throughout their life. The method could be useful not only for diagnosing current and past illnesses, but for developing vaccines…
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A Computer Just Solved This 100 Year Old Biology Problem

A Computer Just Solved This 100 Year Old Biology Problem
Big data—and big processing power—is a big deal for science. By crunching massive amounts of data billions of times faster than could be done by hand, computers have allowed scientists to discover faraway planets, unravel our genetic code, and even find the subatomic particle responsible for gravity. But imagine a future in which computers don't…
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Humans Trekked Out of Africa Via Egypt, Study Suggests

Humans Trekked Out of Africa Via Egypt, Study Suggests
The major gateway for modern humans out of Africa may have been Egypt, a new genetic analysis suggests. This finding may help scientists reconstruct how humans evolved as they wandered across the globe, the researchers added. Modern humans first arose about 200,000 years ago in Africa south of the Sahara. When and how the modern human…
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