Han Yang

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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 …

Energy

The nanotechnology in your sunscreen

Nanoparticles prevent skin cancer by absorbing UV light, without making your face feel 'cakey'. Here is how they do it<p>The Consumer Products Inventory lists over 1,600 products which are identified by the manufacturer as containing nanoparticles – particles between one and 100 nanometres (between …

10 Reasons You're Packing Too Much

Do you struggle to make it through the airport with your unusually large suitcase? Do baggage fees dominate your credit card statements? Does your luggage frequently come apart at the seams? If you're giving a somber nod, it's time to lose the dead weight. To alleviate your packing troubles, let's …

Backpacking

The Best Time To Book A Plane Ticket, According To A New Study

Ever wondered if there’s a magic number of days before a flight when tickets are at their cheapest? Science has an answer for that.<p>Fifty-four days before takeoff is, on average, when flights within the continental U.S. are at their absolute lowest price. And if you don’t hit 54 days on the head, …

The High Art of Ramen in Tokyo

When someone mentions ramen, you probably think of those store-bought dried noodles you bring to life with boiling water and a packet of spices.<p>In <b>Tokyo</b>, ramen noodle soup is not fast food; it’s an art form.<p>Complexly flavored, the perfect bowl of ramen combines clear broth with wheat noodles, slices …

So, Turns Out Crocodiles Can Climb Trees

Crocodiles can climb trees. And they do it well, too: Some of the toothy reptiles have been spotted as high as 32 feet up a tree.<p>That's not somewhere …

World's first carbon-fibre 3D printer announced

The Mark One 3D carbon-fibre printer has been announced at the SolidWorks World conference in San Diego.<p><b>The Mark One 3D carbon-fibre printer has been</b> …

It's Still Fun in the Philippines: Five of Our Favorite Spots

The Philippines is one of our favorite countries in Southeast Asia. It's got incredible natural beauty, kind locals who take you under their wings, tons of activities and killer beaches.<p>Unfortunately, the beauty of the Philippines comes at a price, and that price is natural disasters. With over …

Fish

National Geographic Travel

Bokor Hill Station Is An Eerie Abandoned Resort You Have To See (PHOTOS)

Bokor Hill Station is the trifecta of awesome: it's abandoned, historic and open to the public.<p>The abandoned Cambodian resort town has a dark past that matches its eerie current state. Commissioned by French colonists, it was built by indentured servants and completed in 1925. During construction …

Bugs in Space! 5 Unusual Astronauts

NASA has a penchant for sending some strange stuff into orbit. But for scientific experiments in microgravity, nothing beats bugs.

Can flywheel technology drive out the battery from car hybrids?

Batteries are energy intensive to make and problematic to dispose of. Flywheel technology, known as Kers in the Formula One world, could be a solution<p>Consider the hybrid car. Halfway between the traditional motor and the fully electric Nissan Leaf or the Volkswagen e-Up!, they're a nod to green …

Holes in this crystal 'sponge' change shape when zapped with light - Futurity

A crystal material that's filled with holes could act like a sponge, capturing molecules of specific sizes and shapes in its pores.

Chemistry

Asking the right questions

It was French philosopher Claude Lévi-Strauss who once said: "The scientist is not a person who gives the right answers, he is one who asks the right questions."<p>And he was right. Asking the right questions is the essence of good science. Insightful questions can challenge accepted models, and turn …

White Roofs Keep Cities Cooler Than 'Green' Ones, Study Finds

Both are better than traditional black roofs, which drive up summertime temperatures and energy use in cities.<p>What's the greenest roof? A white one. White-painted roofs are three times more efficient than "green roofs"—rooftops that are planted over with grass or other greenery—at countering global …

Clean Energy

Unusually Large Virus Discovered That Kills Bacterium That Causes Anthrax

An international team of researchers has discovered a new, unusually large virus (or bacteriophage) that infects the bacterium, <i>Bacillus anthracis</i>, …

We face being buried under an avalanche of Chinese science

I was chatting with a friend and collaborator based in Germany recently about the completion of a new building that his university was constructing, dedicated to biomedical imaging sciences. I was sharing my own exhilaration about the serious investment that our government, regional agencies and …

Sloth Fur Might Yield New Drugs

Microbes living in the beasts' coats could be deadly to malaria and cancer cells.<p>Sloths are cute. Take this video of baby sloths being washed:<p>Until today, this video might represent sheer joy. But a new study causes a different reaction: NOOOO! DON'T KILL THE FUR FUNGI!!!<p>New research, you see, has …

Biology

National Geographic Travel

How To Use Trees To Prospect For Gold

There's gold in them leaves!<p>They say money doesn't grow on trees, but gold and other precious metals can accumulate in plants. Researchers recently discovered relatively high levels of gold in the leaves of a eucalyptus tree in Western Australia, before uncovering a deposit of the metal more than …

Western Australia

Scientists tell us their favourite jokes: 'An electron and a positron walked into a bar…'

Science is a very serious business, so what tickles a rational mind? In a not very scientific experiment, we asked a sample of great minds for their favourite jokes<p>Physics<p>■ Two theoretical physicists are lost at the top of a mountain. Theoretical physicist No 1 pulls out a map and peruses it for a …

A Scientific Miracle: Theories of Mary's Virgin Birth

<i>Now the birth of Jesus Christ took place in this way. When his mother Mary had been betrothed to Joseph, before they came together she was found to be with child from the Holy Spirit. - Matthew 1:18</i><p>Merry Christmas, scientists! It's that time of year again when all rational human beings shake our …

Entrepreneur finds remedy for water-damaged phones

Ever dropped your smartphone down the loo? Last year, 900,000 people did just that, according to gadget site Gizmodo. But water-damaged phones will soon be a thing of the past.<p>Oliver Murphy, a 20-year-old inventor turned entrepreneur has devised an ingenious system for bringing phones that have …

Been There. Done That. What's Next? 8 Truly Novel Travel Ideas for 2014

Climbed the Sydney Harbor Bridge; mountain biked the Khyber Pass. <i>Been there.</i><p>Tried zorbing; swam with Great Whites off South Africa's coast. <i>Done that</i>.<p>Did the Antarctic Ice Marathon; sick of sand in every orifice after Burning Man. <i>What's next?</i><p><i>Been there. Done that. What's Next</i>? Indeed, what? Okay, so …

Travel

How to travel Iceland on a budget

I seem to be drawn to the world’s most expensive countries. Having already drained my bank account during a five-week stint around Ireland this year, …

Graphene - the new wonder material

Scientific interest rolls in for a material that is more solid than steel and a better conductor than copper<p>The molecule is priceless but it is not a matter of cost – a few hundred dollars per kilo. The value lies in its potential. The molecule in question is called graphene and the EU is prepared …

4 Scams To Watch Out For In Paris

Troll’s Tongue, Fjord Norway: Is this the sickest view on the planet?

IF YOU’VE EVER seen a picture of the Troll’s Tongue (and if you haven’t, just scroll down), you know the feeling you get looking at some random …

10 Travel Apps That Save You Time and Money

From trip planning to packing to getting around a foreign city—and even speaking the language—let these easy-to-use apps power your next vacation!