Ya Ying Zheng

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How I Transformed Sewage Into Fresh Water [Video]

A little DIY distilling<p>Say the apocalypse happens tomorrow. The good news: You survive! No more credit card debt or miserable commutes. The bad news? Infrastructure has collapsed and there’s no clean drinking water. Most people can’t last a few days without it, so what we need is a reliable way to …

13 Things You Need To Know About Concussions

Ahead of the Super Bowl, here’s the lowdown on brain damage in sports.<p>In recent years, researchers have only just begun to understand how and why concussions are dangerous, fueling the debate about football safety. Here’s what you need to know.<p>1. There are roughly 1.6 to 3.8 million concussions in …

Simple way to make stem cells in half an hour hailed as major discovery

A radical and remarkably easy way to make cells that can grow into any tissue in the body has been developed by scientists in Japan.<p>The feat has been hailed as a major discovery by researchers familiar with the work, and if it can be repeated in human tissue, could lead to cheap and simple …

Height perception and paranoia

Experiencing the world from lower down than usual can increase how mistrustful and paranoid people feel, according to research in a virtual world.<p>Scientists believe that feelings of persecution were triggered when people lost height and suffered a fall in self-esteem, which led them to see …

The Woman Who Gave Birth to Rabbits

It was September 27, 1726, and Mary Toft was going into labor. The 24-year-old peasant, who worked in hop fields of rural England, called out for her …

This Leech Can Survive A 24-Hour Submersion in Liquid Nitrogen

100 percent of the leeches also survived extreme cold (-130°F) for nine months!<p>At first glance there is nothing overly special about <i>Ozobranchus jantseanus</i>, a small parasitic leech of freshwater turtles in East Asia. But throw them into a vat of liquid nitrogen, and they can survive for 24 hours. …

Biology

How Can Death Be So Beautiful?

Several billion years after it’s born, a star dies. It’s death takes another few billion years. Our middle-aged sun is expected to die in some 5 …

What can Dick Swaab tell us about sex and the brain?

Controversy delights Dick Swaab; brains delight him; complexity delights him, though I don't know if you'd get that from reading his book, We Are Our Brains, in which causal links are made quite casually, like a man doing a crossword with a pencil.<p>The Dutch neurologist is, after a 50-year career, a …

Whoa there! Brain area found to help spot bad decisions

A new brain region that appears to help humans identify whether they have made bad decisions has been discovered by researchers.<p>The size and shape of a large Brussels sprout, the ball of neural tissue seems to be crucial for the kind of flexible thought that allows us to consider switching to a …

90-Minute DNA Screening Available Soon For Law Enforcement

The rapid test is being evaluated by the Pentagon.<p>Current human DNA tests take two to three weeks to be completed, and must be sent into an accredited laboratory. But a new rapid test, which could analyze human DNA in 90 minutes in the field, is nearly complete, Pentagon and industry officials told …

Genetics

Scientific Evidence That Walking While Texting Is Bad

Guys, seriously, so dumb.<p>In New York, when people are texting while walking in front of me, I'm frequently overcome by rage. But since throwing people into the street is "assault" according to "the law," I abstain. However, people--come on.<p>In this study published in the online journal <i>PLOS One</i>, …

Central African Republic wants U.N. force as EU troops OKed | Reuters

UNITED NATIONS (Reuters) - The U.N. Security Council approved on Tuesday the planned deployment of European troops to Central African Republic in a bid to stop violence between Christians and Muslims as the country’s president called for a U.N. peacekeeping mission.<p>A French peacekeeping soldier …

State of the Union Media Verdict: Obama plays small ball with subdued speech

President Obama delivered a rousing finale with an emotional tribute to a soldier Tuesday night, but that followed a lengthy speech that received less than rave reviews.<p>With the sustained ovation for wounded veteran Cory Remsburg, Obama briefly united Congress and the television audience—even the …

British dinosaurs should be everyone’s cup of tea

With a new year comes new dinosaurs: 2014 is barely warm and yet <i>Quetecsaurus</i> from Argentina and <i>Gobivenator</i> from Mongolia have already been named. It seems somewhat inevitable that new and apparently exciting dinosaurs come from Asia, the Americas, or even Australian and Antarctica, but the UK is …

Photograph: i love images / Alamy/Alamy<p>If you see a pregnant belly, why not go up and rub it for good luck? The woman won't mind. And even if she does, who cares? Photograph: i love …