Rajmohan kp

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This Math Problem Will Make You Question Everything You Ever Knew About Algebra

Math isn't everyone's best skill — and even those who are good at it are questioning everything after trying this algebra problem.<p>The question originally went viral in Japan, after a study discovered that only 60 percent of 20-somethings could actually solve it. Are you already feeling frustrated …

Mathematics

A single island spawned two populations of miniature humans

Astronomy and astrophysics<p>16 August 2018<p>Students sifting through archived data find an X-ray flare too brief to belong to an ordinary …

Biology

How to Overthrow a Scientific Theory

Science, like many things in life, is always a work-in-progress. While a successful scientific theory has questions it can answer, natural phenomena …

Dark Matter

Rana Safvi's new book is a great way to discover Delhi's historical treasures

<b>Forgotten Cities of Delhi blends the historical facts behind each ‘hidden-in-plain-sight’ structure with anecdotes, legend and Sufi couplets.</b><p><i>Na</i> …

India

Welcome to the 'Meghalayan Age', A New Phase in Earth's History

Sediments collected by an international team of researchers, including those from a stalagmite from a cave in Meghalaya, helped define the smallest …

Anthropology

Ancient Tools Discovered in China Confound Accepted Theory of Human Migration

"This has been one of the high points in my career."<p>Earth is littered with evidence of intrepid, ancient peoples who had one big thing in common …

Ancient stone tools found in China shake up human ancestor timeline (again)

Archaeologists have discovered ancient tools and bones in China that, once again, shake up the timeline of the human origin story. The items are more …

East Africa

Baby feet: Toddler bones show pre-human kids scampered up trees

The foot bones of a toddler who died 3 million years ago show that baby pre-humans could both walk upright like modern humans and scamper up trees like apes, researchers said Wednesday.<p>The thumb-sized fossils come from a skeleton discovered in Dikika, Ethiopia, in 2002 and they have delivered …

Humanity

A Landmark Study on the Origins of Alcoholism

By studying rats in a smarter way, scientists are finally learning something useful about why some drinkers become addicted and others don’t.<p>For Markus Heilig, the years of dead ends were starting to grate.<p>A seasoned psychiatrist, Heilig joined the National Institutes of Health in 2004 with grand …

Neuroscience

The Plate Tectonic Evolution of the Earth Over 500 Million Years: Animated Video Takes You from Pangea, to 250 Million Years in the Future

Christopher R. Scotese, a geologist affiliated with Northwestern University, has created an animation showing "the plate tectonic evolution of the …

Summer non-fiction: the best new biographies, history, science and politics books

Stuck for holiday reading? Whether you’re looking for memoirs, historical biographies or cutting-edge science, our critics have the answer<p>History<p>Arnhem by Antony Beevor<p>Beevor’s account of the Arnhem campaign, that ill-judged and deeply unlucky northward leap by the Allies into occupied Holland in …

Books

When, How Did the First Americans Arrive? It’s Complicated.

The first Americans weren't one group of people; they arrived at different times, and likely by different methods.<p>How did human beings first come to North America? Across the Bering Strait, on foot? Down the “kelp highway” by boat? Across the Atlantic via the polar ice cap? And when did they reach …

Great Ape DNA Is Providing New Clues About Human Evolution

Genetic variation is what distinguishes humans from non-humans.<p>An enduring mission of science is to pinpoint exactly what distinguishes humans from …

The mystery of where Earth's water came from deepens

WASHINGTON (AP) — The mystery of where Earth's water came from got murkier Wednesday when some astronomers essentially eliminated one of the chief suspects: comets.<p>Over the past few months, the European Space Agency's Rosetta space probe closely examined the type of comet that some scientists …

Comets

Why Earth’s Cracked Crust May Be Essential for Life

Life needs more than water alone. Recent discoveries suggest that plate tectonics has played a critical role in nourishing life on Earth. The …

Earth Science

The North Coast 500: Scotland’s answer to Route 66

The North Coast 500 was developed as a way to bring visitors to hidden parts of the Scottish Highlands and give economic benefits to struggling communities.<p>BBC's Travel Show <i>brings you the latest insider travel news, a wealth of destinations, amazing experiences and features and practical hints,</i> …

Scottish Highlands

This Is Why Physicists Think String Theory Might Be Our 'Theory Of Everything'

It’s one of the most brilliant, controversial and unproven ideas in all of physics: string theory. At the heart of string theory is the thread of an idea that’s run through physics for centuries, that at some fundamental level, all the different forces, particles, interactions and manifestations of …

Quantum Mechanics

New Evidence Reveals a 17,000-Year-Old Coastal Route Into North America

The first people to cross into North America from Eurasia did so by traveling through the Bering Strait, or so the theory goes. A new theory has …

Iran Can’t Stop Making Trouble in the Middle East. Here’s Why.

The scars of the eight-year Iran-Iraq war have never been forgotten or forgiven by Iran’s hardliners. Their righteous ‘resistance’ has become their …

The Story Of Kampili: A Phoenix That Burnt Itself To Ashes So That Vijayanagara Could Rise

A tribute to the Kampili warriors who went down fighting the powerful army of Muhammad bin Tughlaq.

A Beginner’s Guide to Hawaii’s Otherworldly Lava

Here’s what scientists and native Hawaiians see in the sublime molten fire.<p>There is something remarkable about the lava spurting out of Kilauea, the miles-wide shield volcano on Hawaii’s Big Island that fissured anew last week.<p>It cuts across roads, forming berms of black and smoldering rock. It …

Geology

Noor X: Story of the Palestinian Nakba

Noor X <br>Story of the Palestinian Nakba<p>In 1948, the people of Palestine were terrorised when Zionist gangs began what can only be called an ethnic cleansing. Thousands were killed, and hundreds of thousands fled their homes to get their families to safety, becoming refugees for the next 70 years.<p>This …

Israel

Who really discovered Hubble’s Law?

Edwin Hubble demonstrated that our Universe is expanding, and getting faster too. But he wasn't the first person to find this out…<p>In 1929, one of the …

Continuously Occupied Cave Excavated in East Africa

JENA, GERMANY—<i>Haaretz</i> reports that evidence for 78,000 years of human occupation has been found in Kenya’s Panga ya Saidi network of caves, ranging …

The Results of a 100,000-Person Quantum Experiment Seem To Violate Einstein’s Theory of Local Realism

The largest participatory experiment in quantum physics is helping physicists better understand the nature of reality by eliminating free will from the equation.<p>When you close your eyes, you don’t assume that the world is no longer there simply because you can’t see it. Similarly, everything we …

What Is Consciousness?

Consciousness is everything you experience. It is the tune stuck in your head, the sweetness of chocolate mousse, the throbbing pain of a toothache, …

Consciousness

'Stubbornly fighting for life': how Arthur Koestler reported the birth of Israel

Seventy years ago, Israel declared independence, and the Manchester Guardian sent the leftwing intellectual to cover the nascent state. But was he an altogether accurate witness?<p>‘In the beginning was chaos and muddle,” reads the first line of the June 1948 dispatch from the coastal city of Tel …

Scientists Have Figured Out When And How Our Sun Will Die, And It's Going to Be Epic

Too bad humans won't be around to see it.<p>What will our Sun look like after it dies? Scientists have made new predictions about what the end will look …

Massive Sinkhole In New Zealand Exposes 60,000-Year-Old Volcanic Rock

<i>PHILADELPHIA (CBS) —</i> A massive sinkhole, which opened up on a New Zealand farm, is being called a spectacular development by geologists.That’s …