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Ashley Yeager

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HIV returns in girl once considered cured of the infection

A child born with HIV, treated and then considered cured, now has detectable levels of the virus, shown here in yellow within a T-cell (blue).

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Guest post by Nsikan Akpan

HIV has reemerged in a child who was previously considered cured of the viral infection. Despite previous reports, a bevy of retroviral medications given a day after birth until 18 months of age wasn’t enough to quash the infection, which was detected in the girl’s blood during a routine checkup earlier this month. The infant had lived without antiretroviral treatment for a little more than two years, a length of time that doctors from the National Institute of Allergy and Infectious Diseases described as “unprecedented” in a July 10 press release.

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Cosmology

Paper reporting primordial gravitational waves published

By Science News Staff 2:29pm, June 19, 2014
The paper reporting the detection of primordial gravitational waves from a split-second after the Big Bang has finally been published.
Astronomy,, Planetary Science

Rosetta spacecraft is closing in on comet 67P/C-G

By Ashley Yeager 3:24pm, June 18, 2014
The Rosetta spacecraft is still on track to pull up and park next to comet 67P/Churyumov–Gerasimenko in August.
Technology,, Biophysics,, Physics

Robo-fly steadies flight with onboard sensor

By Ashley Yeager 11:32am, June 18, 2014
Scaling a robot to the size of a fly and stabilizing its flight with onboard sensors offers clues to how live insects stay steady in mid-air.
Genetics,, Neuroscience

How you bet is affected by your genes

By Ashley Yeager 12:09pm, June 17, 2014
When betting, people's decisions are influenced by variations in a set of genes that regulate the brain chemical dopamine.
Biophysics,, Computing,, Animals

Genetic mutation quenches quantum quirk in algae

By Ashley Yeager 4:58pm, June 16, 2014
Studying algae that can and cannot use quantum coherence to harvest light could lead to better organic solar cells and quantum-based electronic devices.
Biomedicine

'Bionic' pancreas shows promise in diabetes test

By Science News Staff 7:00am, June 16, 2014
Tests of a “bionic pancreas” confirm that the wearable devices can maintain blood glucose levels without the need for finger pricks or insulin shots in patients with type 1 diabetes.
Quantum Physics

How to build a quantum-entangled superclock

By Science News Staff 8:23pm, June 15, 2014
A blueprint for a quantum-entangled superclock suggests that such a device could enable startlingly precise measurements of Earth’s terrain.
Technology,, Neuroscience

Exoskeleton helps paraplegic kick off World Cup

By Ashley Yeager 4:59pm, June 12, 2014
A paralyzed person wearing a brain-controlled robotic exoskeleton has made the first kick at the 2014 soccer World Cup.
Earth,, Pollution

Rock made of plastic turns up on Hawaii beach

By Ashley Yeager 11:52am, June 12, 2014
A new type of rock made from trash could mark human's impact on Earth in the future rock record.
Biomedicine,, Microbes,, Health

Bacteria linked to stress-induced heart attacks

By Ashley Yeager 1:49pm, June 10, 2014
Bacteria may play an underlying role in heart attacks brought on by stress.
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