Kristyn Michelle Hake

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Tripped T-cells reject transplant organs - Futurity

U. PITTSBURGH (US) — Certain cells “stick their feet” in the bloodstream to trip-up and …

Medicine

Ancient Maya Pyramid Destroyed in Belize

An archaeological group says it plans to take legal action.<p><b>Despite its small size, the Caribbean country of Belize is known for a few outstanding characteristics: a spectacular barrier reef, a teeming rain forest, and extensive Maya ruins.</b><p>It now has one fewer of those ruins.<p>A construction company …

Archaeology

Untouched For The Last Billion Years, Water In Canadian Mine Holds Ingredients For Life

Scientists may have discovered the oldest free-flowing source of isolated water ever known.<p>Scientists digging around roughly one-and-a-half miles below the Earth's surface in an Ontario mine may have just discovered the oldest free-flowing source of isolated, untouched water ever known. Though they …

What Modern Humans Can Learn From The Neanderthals' Extinction

It's a fact of the archaeological record: Modern humans survived and Neanderthals did not. Why? And what does it teach us about our own survival?<p>Neanderthals were humans who went extinct between 20,000 and 30,000 years ago. Though there is some debate about who these people were, there is no …

Cloning technique produces human stem cells for the first time - Vitals

Donor egg held by pipette prior to nuclear extraction.<p>Researchers say they have finally managed to use cloning technology to make human embryos and grow stem cells from them in the hopes of making perfectly matched grow-your-own tissue transplants.<p>They used a human egg cell and parts of a human …

Lights Out

NASA’s Epic search for other earth-like planets in our galaxy may have come to an end as the Kepler telescope, orbiting the Sun, 40 million miles …

Water Trapped For 1.5 Billion Years Could Hold Ancient Life

Scientists have discovered water that has been trapped in rock for more than a billion years. The water might contain microbes that evolved independently from the surface world, and it's a finding that gives new hope to the search for life on other planets.<p>The water samples came from holes drilled …