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Science ABC: the eddy currents, and the coolest video you’ll see today

Eddy currents are electrical phenomena that take place when a conductor is exposed to an oscilation of the magnetic field due to the relative motion of the field source and conductor; rewind. You have a conductor, say a copper tube, and a magnet. One moves relative to the other and you’ve got current (basically a circulating flow of electrons). These

6 geographical facts you’re not going to believe

Our world is a strange and awesome place – but some things are just hard to believe! Here are some of the most spectacular ones:

Vancouver 2010: probably the greenest Olympics ever

Well I have to say, I’m really thrilled about the Winter Olympics that have just started, and even though they don’t get as much hype as the Summer Olympics, they still attract tens of millions viewers (or even more). It’s also really great to see they’re being held in a city like Vancouver. Why am I saying this ? Because

Amazingly long fish filmed

Mark Benfield from Louisiana State University, Baton Rouge was undertaking a survey when he spotted this amazing oarfish at about 10 meters long. The fish is one of the longest in the world, and it’s general aspect resembles that of a serpent, so it’s possible it lies at the basis of some sea serpent myths. Professor Benfield explains how they

Hell’s gate

If a gate to hell existed, I bet this is how it would look like. Locals from the town of Darvaz in Uzbekistan were really inspired when they named it this way. When looking at the pictures, you’d be tempted to think this is some sort of a volcano or magma-related process, but it’s not. Geologists are actually responsible (they

Underwater… lakes !

Boy I’ve gotta tell you, my jaw really dropped when I heard this one. There are actual lakes, on the bottom of oceans, especially in the Gulf of Mexico region; they’ve got their own shores and all. The brine water of these lakes actually hosts unique wildlife, creating an absolutely amazing environment. The fact that these are brine water means

Giant squids take to California

Yes ladies and gents, giant squids are all over the California beaches. Each of the squids weighs about 40 pounds, but some of them reach 60 and even more than that. I haven’t been able to find out what’s up with them, or why they gathered in such numbers, but according to scientists, this happens almost periodically, though they cannot

Ten billion dollars pledged for vaccines

Yesterday, Bill Gates officially announced he will donate 10 billlion dollars for a 10 year effort to boost vaccination against infectious diseases in developing countries. The investment is estimated to save almost 9.000.000 certain deaths, along with a significant health improvement. I won’t get into more details, which if you want you can find on nature (among others), but I

Busting 8 of the weirdest science myths

Well you’ve probably all seen the Myth Busters. I’ve watched some episodes and loved most of them, so I’m hoping I can give them a hand. I haven’t watched all the episodes so if they (or anybody else) already took care of these myths well… oh well. The duck’s quack doesn’t echo This is one of the most quacky myths

How much area would be required to power the world (with solar panels alone)

I came across this particular pic which really made me think. I don’t know if they did the math right, but if they did, with a surface as big as the plastic island floating around in the Pacific covered with solar panels, the whole world could be powered. If we consider other sources of clean energy (hydro plants for example),

3 legged serval rescued nearby Arizona desert

At a first glance, this doesn’t seem like much. Just an animal rescued. But if you look more carefully, I think you’ll find it’s more than this; it’s a symbol. A symbol of how people don’t care about animals, regardless of how rare they are and how well they can take care of themselves. This three legged serval was most

Lion, Tiger and Bear share impressing friendship

They’ve known each other basically all their lives, but the early days weren’t happy at all. Found during a police raid at the home of a drug lord, Leo, Shere Khan and Baloo tied an extremely unusual bond. They now live their peaceful lives together in the habitat built specifically for them at Noah’s Ark rescue center in Locust Grove,

Man sues neighbor for irritating his ‘electromagnetic allergies’

There are weird lawsuits you can understand, and then there are just weird lawsuits. If you find this sort of things interesting, you gotta listen to this: a man from Santa Fe filed a half a million dollars trial against his neighbor for using and iPhone and other wireless devices that trigger his ‘electrocmegnetic allergies’. Yahoo News reports that Arthur

What YOU can do to help Haiti

As you probably know, a 7.0 earthquake struck Haiti, basically destroying the country. The situation there was extremely bad even before, but now hospitals are down, there’s no water and no food for a very big part of the population and no way to receive medical treatment; it’s estimated that there are between 100.000 and 500.000 deaths. I will NOT

The most absurd explanation you’ll hear today

Well, the talk is on homeopathy, but this is really not about homeopathy. It’s about the “physics” explanation, and how it manages to be so absurd that it basically urinates on pretty much modern science in just 5 minutes (which is quite an achievement, truth be told). With no disrespect, how she got the “Dr.” title is beyond me, and

Extremely rare 400 year old map shows China as the center of the world

Well despite what many people might think, Hollywood isn’t and never was the center of the world (hopefully, it won’t be in the future either). But on this map (and probably, not only there) China is depicted as the center of the world, while the Americas are also sketched, Florida being represented as the “Land of Flowers”. It was drawn

Stunning variety of sea life found in Antarctica

The British Antarctic Survey (BAS) published some quite awesome pictures showing that Antarctica isn’t the lifeless frozen wasteland most people believe it to be; ice fish, octopus, sea pigs, giant sea spiders, rare rays and gorgeous basket stars all thrive in the extreme temperatures in Antarctica’s waters. Well, thrive is perhaps a too strong word, but they’re doing just fine

Neil deGrasse talks about e=mc^2

Neil deGrasse is definitely one of my heroes, and the simplicity through which he manages to explain even the most complicated things is absolutely amazing. After the symphony of science, here’s him in a short video talking about what is perhaps the most important equation to date.

120 million crabs hit the streets

Every year, around this time of year, more than 100 million determined crabs take to the streets in a massive attempt to get to their spawning grounds as soon as possible; as a result, they literally flood the streets in Christmas island, covering the streets and forcing rangers to divert traffic and use some quite creative methods of protecting the