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The Nuts And Bolts Of High-Speed Rail

California lawmakers gave the green light to the first phase of construction of high-speed rail in the state. Does this mean that America is on track for faster, sleeker trains? What potential speed bumps still lie ahead? Railroad engineer Christopher Barkan discusses the costs, benefits and state of the technology.
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Tumors Evade Treatment With Help From Neighboring Cells

What makes some types of cancer resistant to drugs? Reporting in Nature, researchers write that cancer cells may be dodging treatment with help from seemingly innocent bystanders. Cancer researcher Todd Golub discusses how a tumor's microenvironment may affect its behavior.
NPR

Silk Stretches Drugs' Shelf Life To New Lengths

Researchers have found a fridge-free way to store vaccines and antibiotics. Biomedical engineer David Kaplan, senior author of the study in the Proceedings of the National Academy of Sciences, discusses how heat-sensitive drugs wrapped in silk stay effective for months at high temperatures.
WAMU 88.5

The Latest Research On Alzheimer's Disease

New research on a rare gene mutation could offer clues about Alzheimer's disease. Another study could lead to early treatment. The latest on a disease expected to affect 10 million Americans by 2050.

NPR

In Ancient Ore. Dump, Clues To The First Americans?

The small projectile points seem to be 14,500 years old, the oldest direct evidence of people in America. The weapons appear to be as old or older than points made by the Clovis, who were thought to be the first in the Americas.
NPR

The Natural Gas Boom: Doing More Harm Than Good?

Some people are embracing the wave of increased natural gas extraction in the United States. Others, concerned about the risks, are saying no fracking way. A panel of experts weighs the pros and cons of a boom sparked by hydraulic fracturing in the latest Intelligence Squared U.S. debate.
NPR

How Stereotypes Can Drive Women To Quit Science

It isn't just that fewer women choose to go into fields involving science, engineering, technology and math. Even when they do and are successful, women are more likely than men to quit. Psychological research suggests the gender disparity may be, at least in part, the result of of a vicious psychological cycle.
NPR

Three Secrets To Crispy Pickles, And A 'Lost Recipe' Found

Expert canner Marisa McClellan helps a listener re-create her grandma's pickle recipe, and offers three tips on how to keep homemade pickles crisp by cutting off the ends and adding alum or a tannin.
NPR

Setting Sun Casts 'Manhattanhenge' Shadows In NYC

Twice a year, the setting sun aligns perfectly with the street grid of Manhattan. It simultaneously illuminates both the north and south sides of every cross street and makes New York City a mecca for photographers from all over the world.

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