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Old Hawaiian Menus Tell Story Of Local Fish And Their Demise

An ecologist wondered if Hawaiian menus might help explain what happened to Hawaii's sea turtle population. But the menus revealed another marine tragedy: that local fish numbers had dropped to about a tenth of what they once were.
NPR

Why Aren't More Girls Attracted To Physics?

Even as the gender divide in some areas of science has diminished, a stubborn gap has persisted in high school physics. A new study finds that girls are more likely to take physics if they see women in their communities working in science, technology, engineering and math.
NPR

Experimental Malaria Vaccine Shows Promise In Early Trial

In a preliminary study, a new type of vaccine offers strong protection against malaria when given at high doses. The study was extremely small and short-term. But health leaders say they are cautiously optimistic about the approach.
NPR

Swinging CO2 Levels Show The Earth Is 'Breathing' More Deeply

Carbon dioxide levels in the atmosphere cycle up and down as plants take it up in the summer and let some of it out in the winter. Over the past 50 years, these "breaths" have gotten larger, as plants in the Arctic are taking up more carbon dioxide during the warmer summers.
NPR

U.S. 'Space Fence' Will Cease To Operate, Site Says

A U.S. radar system that tracks thousands of objects orbiting Earth — from satellites to harmful debris — has reportedly been slated for a shutdown. The pending shutdown of the system, run by the Air Force, is being blamed on the government's sequestration cuts.
NPR

Can Chocolate Boost Brain Health? Don't Binge Just Yet

There's tantalizing — if preliminary — evidence that compounds in cocoa may boost thinking, attention and memory. But headlines on the latest research get it wrong.
NPR

NASA: Sun Getting Ready For A 'Field Flip'

Scientists say the sun will reverse polarity within the next three to four months in an event that marks the midpoint of "solar max" — a period of peak solar activity.
NPR

Stars And Stripes: Pair Of Sumatran Tigers Born At National Zoo

Four-year-old Damai is "being a great mom, and is nursing and grooming both cubs," zoo officials say. There was no immediate word on the sex of the cubs.
NPR

What Makes Good Bacteria Go Bad? It's Not Them, It's You

The bacteria that cause many cases of ear infection in kids and pneumonia in the elderly are usually harmless until activated by distress signals from their human host. When the flu or another virus gives you a fever, for example, mild-mannered pneumococcus can turn nasty.
NPR

NIH Issues Guidelines For HeLa Cell Genome Data

The 2010 bestseller The Immortal Life of Henrietta Lacks highlighted ethical controversies surrounding scientists' use of HeLa cells. The cells are descended from a tumor taken without consent from Henrietta Lacks, a poor black woman who died in 1951. Ethical concerns resurfaced with the publication of the HeLa cell's genome. The National Institutes of Health has now issued guidelines. For an explanation, Linda Wertheimer talks to NIH director Francis Collins.

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