Ryan Gidney

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General Relativity: 100 Years Old And Still Full Of Surprises

Dark energy, gravitational waves, and black holes may be just the beginning<p>In 1913, Albert Einstein had stalled in his efforts to construct his general theory of relativity. He pleaded with his friend Marcel Grossmann for a mathematical boost: “Grossmann, you’ve got to help me, otherwise I’ll go …

Physics

Why do women live longer than men?

All across the world, women enjoy longer lifespans. David Robson investigates the reasons why, and whether men can do anything about it.<p>As soon as I was born, I was already destined to die earlier than half the babies in my maternity ward – a curse that I can do little to avoid. The reason? My sex. …

University College London

The ultimate cold and flu survival guide

Each year, the typical adult can expect to contract two or three colds, according to the Centers for Disease Control and Prevention. Skip the annual flu vaccine and you set yourself up for a bout of that as well. But it doesn't have to be this way! Aside from good hand washing (with soap, for at …

Alternative Medicine

Einstein's Theory of Relativity Explained (Infographic)

The theories of relativity by Albert Einstein revolutionized how the world thinks about space, time, mass, energy and gravity.<p>Prior to Einstein, the …

Physics

Here’s Exactly What to Eat to Achieve Any Fitness Goal

20-35 percent fat<br>50-55 percent or more from carbs<br>15-20 percent protein <br>Total daily cals: 2,500 (training 1 to 1.5 hours per day)<p><b>HERE'S HOW THAT LOOKS IN A DAY'S WORTH OF MEALS:</b><p><b>Breakfast</b><p>Overnight oatmeal with 1/2 cup rolled oats, 1 cup unsweetened almond milk, 1/4 cup chopped walnuts, 1 cup …

The 1,000-Rep Morning Metabolism Igniter

Light your fat-frying furnace for the entire day<p>Mornings are tough and morning workouts are tougher.<p>But the right routine is worth waking up for, especially if it allows you to crank out 1,000 reps in 30 minutes, like this one from Craig Ballantyne, MS, CTT, and editor of EarlyToRise.com.<p>“When you …

Fitness

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Score a Beach-Ready Body by the Fourth of July

<b>Kettlebell Swing</b><p><b>Single-Arm Kettlebell Squat to Press</b><p><b>Burpee or Squat Thrust</b><p><b>DO THIS</b><br>Grab a 16- to 20-kilogram kettlebell. Perform the following exercises as a circuit, moving from one to the next without rest. That's 1 round. Do as many rounds as you can in 5 minutes.<p>1. Kettlebell Swing: 20 reps<p>2. …

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

Geologists identify trigger for apocalyptic 'super eruptions'

Volcanic super eruptions are extremely rare but could bury cities under ash and cool the planet by 10C for a decade<p>They rank among the most catastrophic natural disasters on Earth, second only in destructive power to an asteroid impact that could ensure humanity meets the same fate as the dinosaurs.<p>…

How to power 1,000 LED bulbs by stomping one foot - Futurity

One day it may be possible to harvest the otherwise wasted energy of your footsteps or of cars driving by to power your smartphone.

11 fracking chemicals can disrupt hormones - Futurity

Water from near hydraulic fracturing drilling sites had greater hormone-disrupting properties than water from areas without drilling, report …

Why Do We Blame The Obese For Their Obesity?

Last month I attended a talk given by biologist Dr. Jeffrey Friedman at the much beloved NYC-based lecture series, Secret Science Club. Friedman, a 2010 Lasker Award recipient, was there to discuss the research that culminated in that prestigious award—his discovery of the hormone leptin and its …

Diabetes

Male and Female Brains Really Are Built Differently

The hemispheres of women's brains are more interconnected. Does that matter?<p>Ready your knowing smirk, because here comes a scientific gem that’s sure to enliven even the dullest of holiday parties.<p>By analyzing the MRIs of 949 people aged 8 to 22, scientists at the University of Pennsylvania found …

Device uses light to split water into clean hydrogen - Futurity

Scientists have developed an inexpensive device that uses light to split water into oxygen and clean-burning hydrogen.

RNA's Secret Life Outside the Cell

For decades, researchers have been finding DNA and its sister, RNA, circulating in the body, outside the safe interior of cells where these molecules …