edgar guzman

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'The Hobbit' turns 10: Find that rewrote human history

The discovery of a tiny species of human 10 years ago has transformed theories of human evolution.<p>The claim is made by Prof Richard Roberts who was among those to have published details of the "Hobbit".<p>The early human was thought to have lived as recently as 20,000 years ago and so walked the Earth …

Anthropology

Mindsuckers

It is as astonishing as it is sad to watch a ladybug turn into a zombie. Normally ladybugs are sophisticated and voracious predators. A single individual may devour several thousand aphids in a lifetime. To find a victim, it first waves its antennae to detect chemicals that plants release when …

Secrets of the “Star Wars” drafts: Inside George Lucas’ amazing — and very different — early scripts

Luke might have been a woman. Drawings that made Lucas’ vision real. Hidden stories from “Star Wars” history<p>In January 1975, the second draft was ready. Now titled "Adventures of the Starkiller, Episode One: The Star Wars," it was about five thousand words lighter than its predecessor. Lucas …

Scientists discover a new origin of oxygen on Earth and in space

Scientists have discovered a new way to make molecular oxygen (O2) from carbon dioxide (CO2) -- no green plants involved.<p>Their findings could alter our understanding of the Earth's early atmosphere and how oxygen might form on other planets with carbon dioxide in their atmospheres.<p>In a paper …

Weird Crystal Can Absorb All The Oxygen In A Room -- And Then Release It Later

This could potentially make fuel cells, space travel, and scuba diving a lot more efficient.<p>Researchers from the University of Southern Denmark say they’ve invented a crystal that pulls oxygen out of the air and even water. Apparently, just a spoonful of the stuff can suck up all the oxygen in a …