Iran displays indigenous version of US RQ-170 drone

Iran has unveiled an indigenous version of a sophisticated American reconnaissance drone that it brought down and seized in 2011 while it was conducting a surveillance operation over Iranian airspace.
The stealth drone was showcased in an exhibition at the Islamic Revolution Guards Corps (IRGC) Aerospace Force Central Command that was attended by the Leader of the Islamic Revolution Ayatollah Seyyed Ali Khamenei.
Other domestically-manufactured Unmanned Aerial Vehicles (UAV), including Shahed 129 and 125, were also on display during the exhibition.

Scientists Reveal That Jupiter's Moon Ganymede May Support Life

Scientists have revealed that Jupiter's moon Ganymede may possess ice and liquid oceans stacked up in several layers - raising the chances that this distant icy world harbored life.

As club sandwiches go, this undoubtedly is the biggest one in the solar system.

Scientists said on Friday that Jupiter's moon Ganymede may possess ice and liquid oceans stacked up in several layers much like the popular multilayered sandwich. They added that this arrangement may raise the chances that this distant icy world harbors life.

Brain circuits involved in emotion discovered by neuroscientists

New research by the University of Bristol, published in the Journal of Physiology, has identified a chain of neural connections which links central survival circuits to the spinal cord, causing the body to freeze when experiencing fear.

Understanding how these central neural pathways work is a fundamental step towards developing effective treatments for emotional disorders such as anxiety, panic attacks and phobias.

An important brain region responsible for how humans and animals respond to danger is known as the PAG (periaqueductal grey), and it can trigger responses such as freezing, a high heart rate, increase in blood pressure and the desire for flight or fight.

Diamonds Exist In The Icy Mountains Of Antarctica, say Scientists

Scientists say they have discovered compelling evidence that diamonds exist in the icy mountains of Antarctica.

The researchers have identified a type of rock in the permanently frozen region that is known to contain the precious stones.

However recovering any Antarctic mineral resources for commercial purposes is currently forbidden.

The research is published in the journal Nature Communications.

Diamonds are formed from pure carbon under extreme heat and pressure at depths of about 150km in the Earth's crust.

WHO: Daily sugar intake 'should be halved'

People will be advised to halve the amount of sugar in their diet, under new World Health Organization guidance.

The recommended sugar intake will stay at below 10% of total calorie intake a day, with 5% the target, says the WHO.

The suggested limits apply to all sugars added to food, as well as sugar naturally present in honey, syrups, fruit juices and fruit concentrates.

UK campaigners say it is a "tragedy" that the WHO has taken 10 years to think about changing its advice.

The recommendation that sugar should account for no more than 10% of the calories in the diet, was passed in 2002.It works out at about 50g a day for an adult of normal weight, said the WHO.It is a tragedy that it has taken 10 years for the WHO to think about changing their recommendation on sugar”

However, a number of experts now think 10% is too high, amid rising obesity levels around the world.

Announcing the new draft measures, the WHO said in a statement: "WHO's current recommendation, from 2002, is that sugars should make up less than 10% of total energy intake per day.

"The new draft guideline also proposes that sugars should be less than 10% of total energy intake per day.

"It further suggests that a reduction to below 5% of total energy intake per day would have additional benefits."

Dr Francesco Branca, WHO's nutrition director, told a news conference that the 10% target was a "strong recommendation" while the 5% target was "conditional", based on current evidence."We should aim for 5% if we can," he added.

The plans will now go for public consultation, with firm recommendations expected this summer..

N.H.Khider

Source: BBC

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