Kumar Rajgeet

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Insulin-making cells multiply in test tubes

<b>WASHINGTON U. – ST. LOUIS (US) —</b> Scientists have coaxed clusters of insulin-making human cells to reproduce in the lab, which removes a significant …

Physicists Find New Particle, Look for Answers

Researchers say that they've discovered a new subatomic particle - one that appears to contain four quarks bound together. Physicist Sean M. Carroll describes the significance of the find, and talks about the ongoing effort in physics to explain why the universe is the way it is.<p>Transcript<p>IRA …

Hubble picks up a space penguin – big picture

Scientists peek at memories being made

<b>USC (US) —</b> Using microscopic probes, researchers can see the physical changes that occur when a memory is made in a living brain.<p>Researchers …

Uncovering the past using the future: how lasers are revolutionizing archaeology

High-tech tools are now giving archaeologists an unprecedented glimpse into lost civilizations<p>A map of the lost city of Mahendraparvata, created using lidar technology (Credit: Archaeology and Development Foundation — Phnom Kulen Program)<p>Indiana Jones was onto something. In <i>Raiders of the Lost Ark</i>, …

Scientists search for way to help burns victims regenerate skin

British scientists are hoping to find ways to help burns victims regenerate new nerves and skin so that they are only left with minimal scarring.<p>It is believed that at one point humans had the ability to regenerate skin but it was lost over time. The liver still has the ability to regenerate itself.<p>…

If a medical cure looks too good to be true, it probably is

If you want to know whether science works, look around you. Your mobile phone, your TV, your computer –they would have seemed like miracles only 50 …

Why did the Neanderthals die out?

The puzzle is one of the greatest surrounding our species. On a planet that bristled with different types of human being, including Neanderthals and …

What is a Dyson sphere?

Are some advanced civilizations in our galaxy now collecting all of the energy emitted by their stars? If so, we would call their energy-collecting …

Shifty mantle may skew sea level estimates

<b>SYRACUSE U. / U. CHICAGO (US) —</b> Changes in a prehistoric shoreline stretching from Virginia to Florida suggest that estimates of past sea levels …

What goes on when lightning strikes?

A new theory from Russian researchers suggests that lightning may be a by-product of cosmic rays. Surprisingly, despite studying lightning for …

North Korea 'offers to discuss nuclear disarmament'

North Korea has offered to return to talks on nuclear disarmament, in a move designed to keep their Chinese allies happy.<p>Choe Ryong Ha, an envoy from <b>North Korea</b>, is currently in Beijing to meet with Communist party officials.<p>Chinese state media announced on Friday that the Pyongyang was willing to …

Alpha Centauri system, closest to sun

We see this star system as a single star, but it’s really 3 stars. Of the 3, Proxima is closer to our sun than any other known star.<p>The Alpha …

Tornado Alley: Patterns without predictability

<b>The enormous tornado that struck in Moore, Oklahoma, on Monday has added a chilling entry into the list of the deadliest tornadoes on record.</b><p>The event has many recalling a record-breaking tornado that struck in precisely the same region in 1999, during which the fastest winds ever seen on the …

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