Gillmar Betara

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Golden Meaning: 55 graphic artists reveal the maths of the golden ratio

Pictured above are two self-portraits of the British designer Oli Kellett.<p>Which one is most attractive?<p>The left one is untouched. The right one is retouched so that the features of his face conform to the golden ratio.<p>The golden ratio – or golden mean - is a number that is said to provide the …

Rising Home Prices Linked To More Babies

As home prices rise, owners' fertility rates climb.<p>As housing prices rise, non-owners (e.g. renters) tend to have fewer kids. A new study found that for every $10,000 rise in house prices, the fertility rate of non-owners subsequently drops by 2.4 percent on average, in urban areas throughout the …

Volcanoes May Be Slowing Down Climate Change

Small volcanic eruptions might be part of the reason why the pace of global warming hasn’t kept up with previous predictions, a new study published …

Cancer 'drove black skin evolution'

Scientists believe dark skins appeared more than a million years ago to prevent our African ancestors dying from skin cancer<p>Cancer may have driven the evolution of black skin early in human history, a study suggests.<p>Scientists believe dark skins appeared more than a million years ago to prevent our …

What is the second law of thermodynamics?

Thermodynamics is the study of heat and energy. At its heart are laws that describe how energy moves around within a system, whether an atom, a hurricane or a black hole. The first law describes how energy cannot be created or destroyed, merely transformed from one kind to another. The second law, …

What is school science for? Who is it for?

What is school science for? It’s one of those philosophical sounding questions which can seem unhelpfully abstract. But it is worth asking because choices we make about school science reflect ideas about what we value in science, its relationship to non-scientists and what sort of future we want to …

Brain decoding: how scientists can read your mind – video

This animation shows how researchers are learning how to decode what someone is thinking from an MRI scan of their brain, by identifying subtle patterns of activity associated with viewing particular images. The brain-decoding technology can already provide crude reconstructions of what a subject …

Paul Allen and the Machines: teaching the next generation of artificial intelligence

Microsoft co-founder Paul Allen has been pondering artificial intelligence since he was a kid. In the late '60s, eerily intelligent computers were everywhere, whether it was 2001's HAL or <i>Star Trek</i>'s omnipresent Enterprise computer. As Allen recalls in his memoir, "machines that behaved like people, …

Newton's Universal Law of Gravitation

Newton's equation first appeared in the <i>Philosophiæ Naturalis Principia Mathematica</i>, July 1687. It describes why that apple fell from that tree in that orchard in Lincolnshire. Whether or not that apple actually landed on Isaac Newton's head, as some stories would have it, this equation describes …

Roll over Einstein: meet Weinstein | Alok Jha

There are a lot of open questions in modern physics.<p>Most of the universe is missing, for example. The atoms we know about account for less than 5% of …

Student loan loads block home, car purchases

Should college students get a re-do on their student loan debt? Maybe be offered a way to refinance high-price private college debt to a lower rate? What about some options for cleaning up a credit history after running into trouble with college debt?<p>The Consumer Financial Protection Bureau …

Human cloning developments raise hopes for new treatments

Lorraine Barnes suffered a heart attack in 2005 and has lived with the consequences – extreme exhaustion and breathlessness – ever since. "I was …

Reality: A Mere Illusion (Part 1)

Every action and all matter that has developed in the universe conforms to what we know as reality. The idea that our universe passes like a giant’s …

The $1.3B Quest to Build a Supercomputer Replica of a Human Brain

• Author: Jonathon Keats. Jonathon Keats Science<br>• Date of Publication: 05.14.13. 05.14.13<br>• Time of Publication: 6:30 am. 6:30 am<p><b>Even by the standards of</b> …

What Is It About Bees And Hexagons?

Solved! A bee-buzzing, honey-licking 2,000-year-old mystery that begins here, with this beehive. Look at the honeycomb in the photo and ask yourself: (I know you've been wondering this all your life, but have been too shy to ask out loud ... ) Why is every cell in this honeycomb a hexagon?<p>Bees, …

India, China Could Soon Demand More Oil Than U.S. And Europe

The United States has emerged as the star performer on the global oil scene, according to the latest oil outlook from the International Energy Agency. Oil production from the United States grew at a record pace last year for a non-OPEC nations. Meanwhile, emerging economies have become the big oil …

Huge Boost In U.S. Oil Output Set To Transform Global Market

U.S. oil production is rising sharply and increased output from shale will be a "game changer" in global energy markets in the coming years, according to a new report out Tuesday by the International Energy Agency.<p>"U.S. shale oil will help meet most of the world's new oil needs in the next five …