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Japanese scientist wins Nobel medicine prize for cell recycling work

Apan's Yoshinori Ohsumi won the 2016 Nobel prize for medicine for ground-breaking experiments with yeast which exposed a key mechanism in the body's defenses where cells degrade and recycle their components.

Understanding the science behind the process, called "autophagy" or "self-eating", has led to a better understanding of diseases such as cancer, Parkinson's and type 2 diabetes, the prize committee said in its statement, according to Reuters.

'Indiana Jones' shark gains protection at Cites meeting

Known for its long whip-like tail, the threatened Thresher shark is among a number of marine species given extra protection at the Cites meeting.

Devil rays and Silky sharks have also been given additional safeguards, according to BBC.

These shark species have seen huge population falls over the past decades, due to the demands of the shark fin trade.

Gene editing: Ethical issues 'should be discussed'

Ethical questions around a new gene editing technology need to be considered now - even though its use may be some way off, experts say.

The Nuffield Council for Bioethics was looking into CRISPR - a biological system for altering DNA, according to BBC.

Scientists believe CRISPR could have radical effects on areas as diverse as disease prevention and food security.

The Nuffield Council said discussing ethical issues now would aid public understanding of the new technology.

More reasons why getting a good night’s sleep is important

Not getting enough sleep not only makes our minds less alert, but our bodies too. Studies have suggested that losing several hours of sleep can slow the body's metabolism, but what about losing only a few hours? A team of researchers found that metabolic effects are seen even when sleep is shortened by two hours.

Xuewen Wang will present the study's findings.

In this study, volunteers slept as much as they needed or two hours less for three nights. The research team then evaluated the responsiveness of the volunteers' metabolism by having the volunteers drink a glucose drink and then measuring the glucose and insulin levels in the volunteers' blood.

Animal TB threatens human health say vets and doctors

Animal tuberculosis, which is spread through contaminated food, is a greater threat to human health than previously realised, leading doctors and vets have warned.

The disease can be more serious and harder to treat than conventional, human tuberculosis, according to BBC.

The world has committed to being free of tuberculosis by 2035.