Science

Krulwich Wonders...
11:49 am
Mon March 4, 2013

How To Produce A Billion Flowers On The Very Same Day

Shots - Health News
10:19 am
Mon March 4, 2013

Mouse Study Sheds Light On Why Some Cancer Vaccines Fail

A simple switch of ingredients made a big difference in how mice responded to experimental cancer vaccines.
Andrei Tchernov iStockphoto.com

Originally published on Mon March 4, 2013 1:31 pm

In the quest for better cancer medicines, vaccines that treat rather than prevent disease are getting lots of attention.

More than 90 clinical trials have tested therapeutic vaccines in cancer patients, but the results have been a mixed bag.

A recent study in mice suggests that changing a traditional ingredient in the vaccines could make a big difference.

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Environment
11:52 pm
Sun March 3, 2013

After Keystone Review, Environmentalists Vow To Continue Fight

Demonstrators carry a mock pipeline as they pass the White House to protest the Keystone Pipeline, in Washington, D.C., on Nov. 18, 2012.
Rod Lamkey Jr. The Washington Times /Landov

Originally published on Mon March 25, 2013 1:33 pm

Environmentalists have a hope.

If they can block the Keystone XL pipeline, they can keep Canada from developing more of its dirty tar sands oil. It takes a lot of energy to get it out of the ground and turn it into gasoline, so it has a bigger greenhouse gas footprint than conventional oil.

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Shots - Health News
3:41 pm
Sun March 3, 2013

Scientists Report First Cure Of HIV In A Child, Say It's A Game-Changer

HIV particles, yellow, infect an immune cell, blue.
NIAID_Flickr

Originally published on Thu March 20, 2014 3:35 pm

Scientists believe a little girl born with HIV has been cured of the infection.

She's the first child and only the second person in the world known to have been cured since the virus touched off a global pandemic nearly 32 years ago.

Doctors aren't releasing the child's name, but we know she was born in Mississippi and is now 2 1/2 years old — and healthy. Scientists presented details of the case Sunday at a scientific conference in Atlanta.

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Energy
3:20 pm
Sun March 3, 2013

Turning It Down: Cities Combat Light Pollution By Going Dim

This summer Paris will start dimming its streetlights, though major landmarks such as the Eiffel Tower, will not be affected.
Mike Hewitt Getty Images

Originally published on Sun March 3, 2013 3:35 pm

Bright lights are part of a city's ecosystem. Think of Times Square or the Las Vegas Strip or right outside your bedroom window.

Electric lighting is ubiquitous in most urban and suburban neighborhoods. It's something most people take for granted, but appreciate, since it feels like well-lit streets keep us safer. But what if all this wattage is actually causing harm?

"We're getting brighter and brighter and brighter," warns Paul Bogard, author of the upcoming book, End of Night: Searching for Natural Darkness in an Age of Artificial Light.

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