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By FIONA MACRAE

When fruit was thin on the trees, the gorillas gorged on protein-rich leaves, meaning that protein accounted for 30 per cent of their calories


Some might look like they could do with losing a few pounds, but it is unlikely your average gorilla has much idea about slimming.

That said, researchers have found a group of great apes are unwittingly following the Atkins diet.

A study shows that when fruit is scarce, mountain gorillas follow a low-carbohydrate, high-protein diet, similar to the Atkins plan followed by slimmers worldwide.

When fruit is plentiful, their diet is still protein-rich, but is more similar to that recommended by heart charities for health.

The observation comes from researchers who spent a year watching gorillas at Uganda’s Bwindi Impenetrable National Park, the Royal Society journal Biology Letters reports.



When fruit was thin on the trees, the gorillas gorged on protein-rich leaves, meaning that protein accounted for 30 per cent of their calories.

But between February and March and from June to July, when fruit was easy to find, protein made up just 16 per cent of their diet.

Jessica Rothman, of the City University of New York, said the balance during fruit periods was close to the current recommendations of the American Heart Association.

‘By contrast, when leaves dominated diets, 31 per cent of total energy is consumed as protein, a value close to the upper energy limit recommended for humans and similar to high-protein weight loss diets.’

The Atkins diet, which promoted swapping white bread and potatoes for fry-ups and steaks, was followed by millions.

However, it fell out of favour after being dogged by side-effects such as constipation and claims it could increase the risk of heart disease.

source: dailymail

By DAILY MAIL REPORTER

Previous test: The Martin Jetpack has already completed a seven-minute test flight, which saw it climb to an altitude of 100ft


Travelling by jetpack used to be something only seen in science fiction.

But the first commercial suit could soon be on sale following another successful step on the flight towards production.

Over the weekend, a team of New Zealand inventors behind the Martin rocketman suit conducted a test flight that saw them soar to 5,000 feet.


Flying high: The jetpack soars above the New Zealand countryside as it reached heights of 5,000 feet during its ten minute test flight


In the test, carried out over the Canterbury region of the country, a dummy took the place of a passenger as it was flown by remote control from a helicopter.

And in another first, the suit then descended to 2,000 feet before deploying a parachute and landing, albeit with rather a large bump.

The flight lasted around ten minutes, making it the longest ever recorded.


On the way down: The jetpack is the first to deploy a parachute to help it land - even if on this occasion it was a bumpy one


The successful test brings the reality of flight by jetpack another step closer after 40 years of development by inventor Glenn Martin.

Mr Martin has spent NZ$12million on the venture, but now hopes to bring in more investment and possibly even start mass production.

This weekend's flight follows on from a test which took place in April that saw the invention reach 100ft and fly for seven minutes.


Take off: With a dummy as a pilot, the jetpack, which was flown by radio control from a helicopter, lifts off for its journey


The engine, fuel tank and pilot are positioned between and below the lift-fans to lower the centre of gravity and prevent the machine turning upside down.

While the tests are a huge advancement in bringing the device to the shelves, it is still unclear how aviation authorities will treat the jetpack.

Weighing just 250lbs, users in many European countries, including Britain, should not need to be licensed. However, the U.S. Federal Aviation Administration is still considering an official response.

Either way, Martin Aircraft Company said any attempt to fly the jetpack without professional instruction would be ‘extremely foolhardy’.

The company will require all owners to undertake an approved training programme before flying the aircraft with personal users taking delivery in around 18 months.


Sean Connery uses a Belt Rocket Belt jetpack in the 1965 James Bond film Thunderball. It could carry a man over 30ft-high obstacles and reached speeds of up to 10mph but had a limited flying time of just 20-30 seconds and huge fuel consumption


Martin Jetpack 5000ft flight - highlights


source: dailymail