alejandro

14 Flips | 2 Magazines | @afg3049 | Keep up with alejandro on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “alejandro”

Blood test could detect early signs of dementia, scientists say

Scientists have developed a new blood test that they claim could detect whether or not a person will develop dementia within three years.<p>Changes in the blood may signify Alzheimer's disease in its earliest stages, researchers found.<p>A study, published in the journal Nature Medicine, identified 10 …

Don't just sit there! It could be harmful later in life

Sitting too much increases the risk of disability in people over 60, study finds.<p>Sitting too much, sometimes called sitting disease, may increase the risk of disability in people over age 60, a new study suggests.<p>Adults this age spend an average of two-thirds of their waking time being sedentary -- …

'Bluish' Light May Help Alzheimer's Patients Find Bearings

Rensselaer Polytechnic Institute is trying to help Alzheimer's patients experience fewer behavioral issues. Robert Siegel speaks with researcher Mariana Figueiro and psychiatrist Guerman Ermolenko.<p>Transcript<p>ROBERT SIEGEL, HOST:<p>Now, health and electrical lighting. Last month, Mariana Figueiro showed …

How I Transformed Sewage Into Fresh Water [Video]

A little DIY distilling<p>Say the apocalypse happens tomorrow. The good news: You survive! No more credit card debt or miserable commutes. The bad news? Infrastructure has collapsed and there’s no clean drinking water. Most people can’t last a few days without it, so what we need is a reliable way to …

DIY

Is e-waste an untapped treasure?

Your old phone or electric toothbrush could end up as a part in a 3D printer or piece of artwork, says Jonathan Kalan.<p>In a hall of the Africa Innovation Summit in Cape Verde, the smell of melting plastic permeated the air. A crowd had gathered around a small stand to watch a special kind of machine …

E-waste

Quantum Microscope May Be Able to See Inside Living Cells

By combining quantum mechanical quirks of light with a technique called photonic force microscopy, scientists can now probe detailed structures …

Cold demo shows silicon-germanium chip's potential - Futurity

A silicon-germanium transistor at 798 gigahertz fMAX exceeded the previous speed record for silicon-germanium chips by about 200 GHz, report …

Chemistry

Caught on Camera: Supernova Spits Out Pulsar

For a cosmic adrenaline rush, it’s hard to beat a supernova. It happens when a star detonates at the end of its life, blasting gases and other debris …

Sit More, And You're More Likely To Be Disabled After Age 60

The more you sit, the less physically active you are, which can lead to all sorts of health problems, including an early death.<p>But too much sitting increasingly looks like a health risk all its own. Researchers at Northwestern University say that for people 60 and older, each additional hour a day …

Clouds circling a supermassive black hole

An international team of astronomers sight huge clouds of gas orbiting supermassive black holes at the centers of galaxies. Watch a video depicting …

If Yellowstone Could Talk, It Might Squeak. Blame The Helium

A huge amount of ancient helium is rising up from the rocks beneath Yellowstone National Park — about enough to fill up a Goodyear blimp every week.<p>The gas comes from a vast store of helium that's accumulated in the Earth's crust for hundreds of millions of years, scientists report in the journal …

fMRI scan indicating increased brain activity associated with happiness after a 20-minute walk vs. 20 minutes sitting. Go outside! 

fMRI scan indicating increased brain activity associated with happiness after a 20-minute walk vs. 20 minutes sitting. Go outside!