Giselle Villar

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Carbon Nanotubes Usher Molecules In And Out Of Cell Membranes

Success in the long-sought effort to make artificial pores<p>The membrane is a really important part of a cell—it keeps the organelles and useful chemicals in, and other things out. But the membrane also needs to be selectively permeable, letting in the right molecules (like DNA or water) when they …

Nanotech

How To Survive A Hurricane With Household Items

Supermarket sold out of batteries and bottled water? No problem.<p>It’s been a decade since the historic 2004 hurricane season, one of the Atlantic basin’s most active years ever. Four major storms wreaked havoc along the East Coast, causing more than $51 billion in damage. Since then, other …

Hurricane Season

The Brilliant Ten of 2014

For the 13th year, Popular Science honors the brightest young minds reshaping science, engineering, and the world.<p>Each year, <i>Popular Science</i> goes through a six-month selection process to identify the most inspired young scientists and engineers—researchers whose ideas will transform the future. Here …

Immune System

Human In Robotic Exoskeleton To Kick Off The World Cup

The brain-controlled augmented suit was developed to give mobility to victims of paralysis.<p>The most significant moment of the 2014 World Cup may take place not in the tournament's final match, but in its earliest minutes. If all goes according to plan, at the opening ceremony in Sao Paolo tomorrow, …

Robotics

Audi Traffic Light Recognition Could Save Time And Fuel

The new system tells drivers when a light is about to change.<p>Soon, cars may pay more attention to their surroundings than drivers. No one likes to get stuck behind an oblivious person that doesn't notice when a light changes, so Audi came up with a technological solution.<p>The Audi Online traffic …

New Jersey

Waste Heat Is Free Energy. So Why Aren't We Using It?

Burning out<p>In the next few years, the stale, thick heat produced by the London underground will no longer drift uselessly into the atmosphere. Instead, some of it will warm 1,400 nearby homes, cutting heating bills by about 10 percent. Recycling heat is quite common in Europe. Denmark gets roughly …

Nano-Tweezers Can Move Molecules With Light

Just in case you were getting bored with the world, we bring you a tiny tweezer made of light beams.<p>Scientists have created the tiniest "tweezers" known to date, which can move around objects the size of single molecules with a "bow tie" of light.<p>"To my knowledge these are the smallest tweezers …

Nanotech

The AIDS Cure

Reservoirs of HIV hide deep within the body. Scientists are now closing in on methods to wipe them out.<p><b>In 2007</b>, a little-known German doctor applied to speak at a prestigious AIDS conference, claiming to have cured a single case of the disease. He described a 41-year-old man, dubbed the “Berlin …

Immunotherapy

You Have Already Complied: RoboCop and the All-Too-Feasible Horror of Brain Hacking

In science fiction films, science tends to play the villain. Speculative theories and far-fetched technology wear the old black hat and outsize mustache, and tie us all kicking and screaming to the train tracks. These are adventure stories, ultimately, so why not set cloned dinosaurs and predatory …

Chickens Wear Prosthetic Dinosaur Tails, For Science

Simulating ancient gaits with barnyard fowl<p>The humble chicken is distantly related to the _T. rex. _This raises an important scientific question: How could we make chickens walk like they're little dinosaurs? A new study provides the equally important answer! And also video!<p>Researchers from the …

Chickens

How A Simple New Invention Seals A Gunshot Wound In 15 Seconds

An Oregon startup has developed a pocket-size device that uses tiny sponges to stop bleeding fast.<p>When a soldier is shot on the battlefield, the emergency treatment can seem as brutal as the injury itself. A medic must pack gauze directly into the wound cavity, sometimes as deep as 5 inches into …

Self Defense

Put On This Virtual Reality Helmet, Then Swap Your Gender

Could virtual reality help us step into the shoes of someone else?<p>The virtual reality headset Oculus Rift is a marvel of interactive immersion for gaming: throw it on, and instead of using the medium of a controller or keyboard, it's actually _you _controlling the action. But, thought experiment: …

Why Amazon's Plan For Delivery Drones Isn't Quite Realistic

Jeff Bezos says Amazon Prime Air could launch as early as 2015. He should aim for 2020.<p>We've had a laugh at drone-delivery marketing gimmicks before, and Amazon Prime Air—announced yesterday during a flattering segment on <i>60 Minutes</i>—may very well be more of the same. But that's just for now. …

How Scientists Could Watch Brain Chemicals Through The Skull

One team is trying to develop a non-invasive way of tracking neurotransmitters as they move through a living brain.<p>Researchers have discovered a way to see chemicals at work behind bone. In the future, they hope to develop their technique as a way of watching chemical messages as they blip through …

Particles

Space-Born Jellyfish Hate Life On Earth

Space babies get major vertigo on Earth after a microgravity childhood.<p>A warning for future space colonizers: Babies born in space might not ever figure out how to deal with gravity. Jellyfish babies, at least, have to deal with massive vertigo on Earth after spending their first few days in …

Space Travel

Exclusive: Bill Nye Explains Jupiter's Great Red Spot In Classic Bill Nye Style

"It's huuuge!"<p>NASA's Juno spacecraft will swing by Earth today for a "gravitational slingshot" that will send it toward Jupiter at 165,000 mph. To celebrate this triumph of science, Bill Nye is hosting "Why with Nye," an eight-part YouTube series that will explain the Juno mission and the some of …

This Magic Projection Box Will Melt Your Brain

It can float, combine with other boxes, and make you lose all faith in the rules of physics.<p>San Francisco design studio Bot & Dolly created this demonstration of<p>what is almost certainly sorcerya projection mapping system. The project's simply called "Box," and without ruining too much, the studio …

San Francisco

Plastic Bags Transformed Into Eco-Friendly Carbon Nanotubes

Such membranes have potential for water desalinatization and other advanced filtering.<p>Here's a real Cinderella transformation story. A team of chemists has found a way to turn non-biodegradable plastic bags into a carbon nanotube membrane, a high-tech material with potential to make super-efficient …

Nanotech

Ikea Now Sells Solar Panels!

Perhaps they'll coordinate with your Malm-bedecked bedroom.<p>You got all your college furniture from there; now you can get solar panels from Ikea, too. The Swedish furniture company began selling solar panels in its Southampton, U.K., store today and plans to bring the product to all of its Britain …

How Having Three Parents Leads To Disease-Free Kids

A newly approved procedure lets scientists gather DNA from three people, then use it for in vitro fertilization.<p>This summer, government health officials in the United Kingdom made headlines by announcing that they will let scientists create babies with DNA from three different people. The procedure …

Thermoacoustic Headphones Make Sound With Hot Nanotubes

Just call it "Heats by Dre."<p>Inside these earbuds, something big is happening on a very small scale. Set on a tiny lattice of silicon, electrified nanotubes of carbon are rapidly warmed up and cooled down, producing sound waves as their temperature fluctuates. The technique is known as …