Preethi Seshadri

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Singing Solar Shockwave Confirms Voyager Is In Interstellar Space

Legendary NASA spacecraft Voyager 1 has been hit by another “tsunami wave” of solar activity, confirming that it’s definitely sailing through interstellar space.<p>These waves, which affect cosmic rays and plasma, are one of the indications that suggested to scientists back in 2013 that the craft had …

Why We Smile And How To Spot A Fake One

Flickr/Nana B Agyei<p><b>BI Answers: Why do we smile?</b><p>Studies have shown that smiling can help us cope, make us feel good, and even increase our longevity.<p>Some say we even smile in the womb and can understand the social significance of those toothy grins very early on. "At just 10 months, for instance, an …

10 Summer Vegetarian Mains

Why cook meat when summer produce is this good? From a cheesy and perfectly flaky tart showcasing summer tomatoes to bright and colorful pasta dishes, these vegetarian mains are light, flavorful, and perfect for warm weather dining.<p>Potato, Spinach, and Red Pepper Frittata<p>This basil-laced potato and …

What God does to your brain

The controversial science of neurotheology aims to find the answer to an age-old question: why do we believe?<p>When neuroscientist Andrew Newberg scanned the brain of “Kevin”, a staunch <b>atheist,</b> while he was meditating, he made a fascinating discovery. “Compared with the Buddhist monks and Franciscan …

Breast Cancer

Dwarf Galaxies in the Early Universe Worked Overtime Making Stars

Can you see the dwarf galaxies in the above image, shot by the Hubble Space Telescope? Yeah, me neither. But they’re there, and some of them are working exceptionally hard to make new stars. I’ve included a cheat sheet below so you’ll know which of the galaxies in the image are some of the ones …

We could travel to new worlds in NASA's starship Enterprise

NASA announced in 2012 that it was working to build a "warp drive" that could enable "faster-than-light" travel. Two years later and the space agency hasn't built a spaceship capable of such speeds yet — but thanks to artist Mark Rademaker, we now know what one could look like. The result is the …

27 Tips for Mastering Anything

This story originally appeared on Business Insider<p>What does it take to become a master at your craft? Is genius innate, or can it be learned?<p>In his book, "<i>Mastery</i>," Robert Greene draws from the latest research, interviews modern masters, and examines the lives of former greats like Albert Einstein, …

8 Souvenirs That Could Land You in Jail

<i>By: Sophie-Claire Hoeller</i><p>It's one thing to bring back souvenirs so terrible that they land you on your friend's @#$% list, and quite another to tote home tchotchkes from overseas that send you straight to jail. To ensure you experience the warm fuzzy feeling that comes from hearing a U.S. Customs …

Hit songs help memory research

<b>Hit songs by Elvis Presley, Abba and The Spice Girls are among those being used in research that hopes to unlock the secrets of how memory works.</b><p>Researchers from the University of Amsterdam have created an online game in an attempt to shed light on why some tunes get stuck in your head.<p>Fans must …

Amazon’s Fire Phone Introduces Firefly, A Feature That Lets You Identify (And Buy!) Things You See In The Real World

With the debut of the Amazon Fire Phone this afternoon, the company introduced a new feature called Firefly, which is largely designed to let you identify — and then, of course, buy — things you see out in the real world. Firefly takes advantage of the smartphone’s camera to let you identify things …

Scientists use lasers to understand how water stays liquid below its freezing point

We only remember a few things from science 101, but we're reasonably certain that water boils at 212 degrees (Fahrenheit) and freezes at 32. Scientists at Stanford's SLAC National Accelerator Laboratory, armed with a Linac Coherent Light Source X-Ray Laser, however, have shown us otherwise. Should …

Fish Just May Be A Lot Smarter Than We Thought

Are fish smart? Yes, according to a new paper published this week in the journal Animal Cognition.<p>They also have more complex social lives than you might realize, too. For instance, some fish even give backrubs.<p>There's a kind of fish -- the cleaner wrasse -- that eats parasites and other nasty …

What is the anthropic principle?

You've just checked into your hotel room for a weekend's getaway. Thrilled by the accoutrements, you immediately walk onto the room's balcony to take …

Electromagnetism

DNA Sequencing Diagnoses Boy's Mysterious Bacterial Disease

This is the first time doctors have used DNA sequencing for emergency diagnosis and treatment.<p>For the first time, doctors have used DNA-sequencing technology to diagnose and treat a boy in an emergency. It's a big step for DNA sequencing—that the technology is able to work so quickly, and to help a …

Physicists Pin Down Value Of Newton's Gravitational Constant

Physicists have used the quantum nature of matter to obtain a highly precise value for the universal gravitational constant, the 'big G' that appears in Isaac Newton's law of how gravity pulls together everything, from planets to apples. Although the technique still needs refinements, physicists …