Dma

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Gears evolved in nature long before humans 'invented' them

The gears in the hind legs of an insect called Issus work in a similar way to those of bicycles and car gear-boxes<p>A gear system similar to those used on bicycles has been found in insects, proving that nature developed cogs long before humans.<p>The juvenile Issus – a plant-hopping insect found in …

These Spiky Shoes Literally Put A Spring In Your Step

The Adidas Springblade uses springs to give athletes better verticality<p>Cushioned sneakers can help athletes jump higher—a compressed sole returns energy vertically. Adidas has now developed a shoe that could also help runners go faster. Sixteen slanted plastic springs on the sole of the Springblade …

Me, Me, Me: People Who Overuse The First-Person Singular Are More Depressed

A new study links first-person singular pronouns to relationship problems and higher rates of depression.<p>Researchers in Germany have found that people who frequently use first-person singular words like "I," "me," and "myself," are more likely to be depressed and have more interpersonal problems …

Earth's core far hotter than thought

<b>New measurements suggest the Earth's inner core is far hotter than prior experiments suggested, putting it at 6,000C - as hot as the Sun's surface.</b><p>The solid iron core is actually crystalline, surrounded by liquid.<p>But the temperature at which that crystal can form had been a subject of long-running …

Universe

Scientific brain drain – what happens when the pipes are clogged?

A colleague at my institution recently invited a scientist with a "foreign-sounding" name to deliver a seminar. Foreign, yes, but not to my ears – …

New battery design could help solar and wind energy power the grid

Researchers have designed a low-cost, long-life battery that could enable solar and wind energy to become major suppliers to the electrical grid.<p>“For …

Clean Energy

ScienceCasts: Saturn Close Up

Why I Let My Students Cheat On Their Game Theory Exam

Teaching people game theory is good. Making them live it is even better, says UCLA professor Peter Nonacs.<p>On test day for my Behavioral Ecology class at UCLA, I walked into the classroom bearing an impossibly difficult exam. Rather than being neatly arranged in alternate rows with pen or pencil in …

Where has all the antimatter gone?

Where has all the antimatter gone? The Universe today is made of matter, but scientists believe that in the beginning, the Big Bang created equal amounts of matter and antimatter.<p>A new discovery at the Large Hadron Collider at Cern means scientists are furthering our understanding of the …

Physics

How are humans going to become extinct?

<b>What are the greatest global threats to humanity? Are we on the verge of our own unexpected extinction?</b><p>An international team of scientists, mathematicians and philosophers at Oxford University's Future of Humanity Institute is investigating the biggest dangers.<p>And they argue in a research paper, …

Artificial Intelligence

Robot inspired by sea turtles uses flippers to navigate tough terrain

Robots inspired by the animal kingdom are already being designed to mimic plenty of creatures, from speedy cheetahs to slithering serpents. Now, researchers are welcoming yet another bio-inspired robot to join the menagerie: a 'bot built to emulate the movements of baby sea turtles.<p>In a new study …

Robotics

Doctors make the call about gun permits - Futurity

UNC-CHAPEL HILL (US) — New protocols and policies are needed to help physicians assess a …

Medicine

3D-Printed Gun Fires off Six Shots Before Going Kaput - Technabob

Everyone’s going crazy over 3D printing these days, and understandably so. The concept seems like it’s something from the pages of a sci-fi book, and …

This One-Piece 3D Printed Mini Crossbow Is Adorably Dangerous

There's a war brewing over the use of 3D printers to make unlicensed guns and other firearms. But for the time being 3D printed weaponry is still a …

3D Printing

Your Opinion Is Irrelevant; The Senate Has Been Assimilated by the NRA

If Dzhokhar Tsarnaev had somehow managed to evade capture and had traveled to a gun show in, say, neighboring Vermont, New Hampshire or Maine, he would've been able to easily purchase one or more military-style assault weapons without a background check thanks in part to the efforts of senators …

Guns

How did President Obama lose the gun vote in the Senate?

"How is it that the president won the argument on gun safety with the public and lost the vote in the Senate?," Maureen Dowd asks in her latest column. The New Yorker's David Remnick joins Morning Joe to discuss Dowd's central question of how the president did lose the Senate with regard to gun …

Will water supplies provoke World War III?

Extreme climate change and a global scarcity of vital resources could prove to be an explosive combination<p>Brace yourself. You may not be able to tell yet, but according to global experts and the U.S. intelligence community, the earth is already shifting under you. Whether you know it or not, you’re …

The Gun Control Debate Has Completely Rejuvenated The Tea Party

A few days later, a couple of hundred people, many of them local Tea Party members, attended a "Day of Resistance" gun rights rally and march in Ventura.<p>Declared all but dead by liberal pundits after President Barack Obama's re-election in November, the conservative tea party movement has been …

Tea Party

Boston Bombing Suspects Did Not Have Gun Licenses

WASHINGTON -- The Boston bombing suspects engaged in a deadly firefight with police last week, possessing six bombs, handguns, a rifle and more than 250 rounds of ammunition. But the Tsarnaev brothers did not have proper licenses to possess the firearms, according to the Cambridge Police Department …

Guns

Super-Earth planets snug 'in the zone' - Futurity

U. WASHINGTON (US) — Astronomers have discovered perhaps the most Earth-like planet yet found outside …

Universe

a good story conveys wonderment

<b>What's a good science story?</b><p>Something that makes me think, "Wow, that's amazing!". That is, stories about exciting new research that reveals some new …

Forever alone? How NASA's Kepler craft is finding another Earth

Discovery of new planets in habitable zones is most promising yet in four-year quest<p>Late last week, NASA announced that scientists using its Kepler space observatory had discovered two new planetary systems thousands of light years away from our own. Within these, seven new planets were found, and …

Hire this robot: It does windows - Futurity

RICE (US) — A new robot is designed to automate the process of cleaning recessed …

Robotics

Virtual Rx: how Oculus Rift could revolutionize mental health

The headsets are already being called 'a game changer' for treating PTSD and other psychiatric conditions<p>It's been hailed as the holy grail of virtual reality gaming, but Oculus Rift might soon be much more than that. Though they've yet to reach the hands of regular consumers, the headsets have …

Online brain-training: does it really work?

My week has been pretty hectic so far. On Monday, I manned a busy beach bar and had to remember a range of ice-cream and pizza orders for a constant …

Solar cell coating could break efficiency barrier, researchers claim

A new technique to produce solar cells might one day yield devices that boast significantly greater efficiency — long a holy grail in the development of commercial solar panels.<p>Researchers at MIT say they've successfully harnessed an obscure technique, called "singlet exciton fission," that would …