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Anaerobic exercise: What it is and how it affects the body

You’ve most likely heard of anaerobic exercise before, but how much do you know about the science behind this vital aspect of your physical fitness? Enhancing your comprehension of the anaerobic energy system is a sure-fire way to empower yourself…


Last supermoon of the year — the 'Sturgeon moon' rises Aug. 11

As summer slips into autumn and nights begin to grow longer, the final supermoon of the year will make a big splash Thursday (Aug.t 11). Nicknamed the "Sturgeon Moon," August's full moon peaks around 9:36 p.m. EDT on Thursday (0136 a.m. GMT on…


If blood is red, why do veins look blueish?

Blood is always red, and veins look blue or green because the skin filters light wavelengths differently.


How can you experience weightlessness?

Floating in zero gravity (zero-G) is something that many people have fantasized about. The idea of drifting through the air without the weighty pull of Earth's gravity is, for some, incredibly appealing.


Is Earth getting closer to the sun, or farther away?

Here's a look at whether Earth is getting closer to or farther from the sun, why that's happening and what effects it might have on our planet.


Weird deep-sea worm looks like a luminous lump of spaghetti

A new video released by the Monterey Bay Aquarium Research Institute (MBARI) shows off 2012 footage of an unnamed species of spaghetti worm.


A man's voice grew hoarse for no obvious reason. It turns out, he had fungus in his throat.

Over the course of a year, a man's voice grew progressively more hoarse and his speech became shrill and grating, but he didn't know why. Upon examining the man, doctors discovered the reason: Fungus was growing in his throat. According to the…


How to get fit

Discovering exactly how to get fit is the first step in a journey to better overall health, but exactly where do you start?


Tikal: The iconic ancient Maya city in Guatemala

The ancient Maya city of Tikal, in modern-day Guatemala, flourished between roughly 600 B.C. and A.D. 900. Starting out as a modest series of hamlets, it became a great Maya city-state with more than two dozen major pyramids. The name "Tikal" is a…


Hot yoga benefits: Here’s why the sweat could be worth it

Anyone who’s witnessed sinewed yogis delicately gliding through a series of poses while coated in a light sheen of sweat might think hot yoga benefits are easy to come by. And if you’ve ever braved a hot yoga (opens in new tab) class, you’ll know…


Gluten-free diet for weight loss: Fact or fiction?

Over the past few years, there’s been a rise in the amount of celebrities and health bloggers promoting the use of a gluten-free diet for weight loss purposes. Claimants say it improves digestion and boosts energy levels, but does the science back…


1st synthetic mouse embryos — complete with beating hearts and brains — created with no sperm, eggs or womb

For the first time, scientists have created mouse embryos in the lab without using any eggs or sperm and watched them grow outside the womb. To achieve this feat, the researchers used only stem cells and a spinning device filled with shiny glass…


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