M.Shigemitsu

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Perovskite solar cells surpass 20 percent efficiency: Researchers are pushing the limits of perovskite solar cell performance by exploring the best way to grow these crystals

Researchers are pushing the limits of perovskite solar cell performance by exploring the best way to grow these crystals<p>Researchers are pushing the …

'Wassup, Sheep?' He Asked | Radiolab | WNYC Studios

One man is facing a few hundred sheep. He has questions. When he shouts to them, the sheep — surprisingly — answer back. It's a very lively back and …

Sheep

Rethinking The Five-Second Rule: With Carpet, There's No Rush

Many of us will happily eat a gummy bear or cookie after it falls on the floor, as long as we snatch it up quickly. Say, five seconds or less, right?<p>Well, science just gave us another excuse to continue this food-saving habit, especially when it comes to carpet-dusted snacks.<p>Biology students at the …

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Paint Your Roof With Working Solar Cells Made from Grass Clippings

Installing a solar roof on your home could one day be as simple as mixing your yard clippings into a stew of inexpensive chemicals and painting the resulting mixture right onto your rooftop. An MIT researcher has developed a method of manufacturing solar panels on the spot from agricultural waste, …

'Don’t worry, I’m not contagious – and other microbiological delusions

As the cold season dribbles relentlessly onward, it’s worth considering who is – or is not – to blame for your misery<p>It’s that strange time of year when, despite springtime breaking out all over town – tulips, apple blossom, sunshine, the works – everyone in the known universe appears to be ill.<p>I …

Wake up and smell the noses

For Kids

Repelling germs with ‘sharkskin’

If you pet a shark the wrong way, its smooth skin feels like sandpaper. But that roughness has a surprisingly useful property — it can repel some …

For Kids

Explainer: What is Ebola?

<b>Ebola</b> A family of viruses that cause a deadly disease in people. Most cases occur in Africa and Asia. Its symptoms include headaches, fever, muscle …

Disease