Gerson Rivera

15 Flips | 2 Magazines | 2 Likes | @gersonortega | Keep up with Gerson Rivera 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 “Gerson Rivera”

'Killer heroin' causing fatal overdoses throughout East

On an icy night last month, a man entered a grocery store here, walked past the displays of cake mix and paper towels, and went into the bathroom, where he injected himself with heroin.<p>Hours later, the man was found dead in the bathroom with a needle still in his arm, authorities said. They believe …

First biomarker could help boys at risk of major depression | Reuters

LONDON (Reuters) - British brain scientists have identified the first biomarker, or biological signpost, for clinical depression and say it could help find boys in particular who are at risk of developing the debilitating mental illness.<p>In a study in the Proceedings of the National Academies of …

Left for dead: the mysterious disease killing thousands in Central America

A strange kidney ailment leaves scientists searching for answers<p><i>A sugarcane worker receives treatment for chronic kidney disease at his home in Nicaragua.</i><p>Ed Kashi arrived in Nicaragua last January to shoot some photos for a local nonprofit organization. At the time, it seemed like just another …

What is radiocarbon dating?

At a very steady rate, unstable carbon-14 gradually decays to carbon-12. The ratio of these carbon isotopes reveals the ages of some of Earth’s …

Archaeology

How sleep makes your mind more creative

It’s a tried and tested technique used by writers and poets, but can psychology explain why first moments after waking can be among our most imaginative?<p>It is 6.06am and I’m typing this in my pyjamas. I awoke at 6.04am, walked from the bedroom to the study, switched on my computer and got to work …

Creativity

Simple way to make stem cells in half an hour hailed as major discovery

Acid technique could lead to new era in regenerative medicine<p>A radical and remarkably easy way to make cells that can grow into any tissue in the body has been developed by scientists in Japan.<p>The feat has been hailed as a major discovery by researchers familiar with the work, and if it can be …

The Recipe for Apollo 13's Disaster

Aside from Apollo 11, Apollo 13 is probably the most recognized mission of NASA’s lunar landing program. Called the successful failure, this third lunar landing mission was aborted when an oxygen tank exploded and crippled the spacecraft. Most retellings of Apollo 13’s mission focus on what …

Space Exploration

Why Is This Year’s Flu So Dangerous for Young Adults?

Author: Kiera Butler, Mother Jones. Kiera Butler, Mother Jones Science<p>Date of Publication: 01.27.14.<p>Time of Publication: 3:33 pm. 3:33 pm<p>You’ve …

Large sharks and rays could go extinct in coming decades

“Losing these fish will be like losing whole chapters of our evolutionary history.” – Nick Dulvy<p>A large, systematic study of world-wide shark and ray …

Extinction

Will the Black Death reemerge?

Scientists have analyzed the genomes of two of the world’s most devastating plagues – each killed about half the people in Europe. The findings …

Environmental Health

Racial gap exists when docs talk to patients about HIV meds - Futurity

Conversations between doctors and patients about taking HIV medication as prescribed differ depending on the patient's race or ethnicity, research …

HIV

What can Dick Swaab tell us about sex and the brain?

The Dutch neuroscientist is as celebrated as he is sneered at for his theories on brain development differing between men and women – and how sexuality is decided in the womb<p>Controversy delights Dick Swaab; brains delight him; complexity delights him, though I don't know if you'd get that from …

KickSat: The smallest spacecraft in orbit

A swarm of 100 tiny satellites is poised to launch into orbit, owned by schoolchildren and space enthusiasts. Richard Hollingham finds out what it took to make these tiny travellers fly, and how they avoid posing a risk to bigger spacecraft.<p>As I type this, there’s a satellite sitting on the desk in …

Space Exploration