Shanell

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National Postal Museum showcases black history via stamps and mail

A century and a half after the end of the Civil War, the Smithsonian National Postal Museum in Washington, D.C., last week opened an exhibition of stamps and mail that tell the everyday story of slavery, abolition and civil rights.<p>Letters hand-carried by slaves and a mailbag with separate …

NASA Stumbles Upon A Dead Star That's 10 Million Times Brighter Than The Sun

Think our sun is bright? NASA says its NuSTAR space-based X-ray telescope has detected a dead star that pumps out as much energy as 10 million suns.<p>"You might think of this pulsar as the 'Mighty Mouse' of stellar remnants," Dr. Fiona A. Harrison, professor of physics and astronomy at the California …

Stem Cells Hold Promise for Skin Disease Treatment

Possible Fix for Debilitating Illness Involves Making Fresh, Genetically Compatible Skin<p>Scientists have used stem cells to make fresh, healthy human skin in a laboratory dish, offering a new route for treating a group of debilitating skin diseases.<p>The latest research is another advance in the quest …

Stem Cells

Women Sweat The Test To Show Marines They're Combat-Ready

Sgt. Kristy Rodriguez is sprinting on a treadmill. She's wearing dark green shorts, a matching T-shirt and white sneakers. The pace keeps getting faster.<p>Rodriguez is at Camp Lejeune in North Carolina, taking part in a Marine Corps experiment to determine whether women will be allowed to serve in …

Marijuana legalization backers anxious as costs mount, donors waver

After decades helping lead the fight against the national war on drugs, Ethan Nadelmann recently joined thousands of marijuana entrepreneurs here celebrating legalization — and found the scene kind of irritating.<p>The rapidly expanding legal pot industry has started to make some people rich, but the …

Michael Brown's Mother Says He Was 'Running For His Life'

Michael Brown's parents sat down with PBS' Charlie Rose on Wednesday.<p>In the conversation, Brown's mother, Lesley McSpadden, said that her son was "running for his life" after an altercation with Ferguson Officer Darren Wilson, an event that eventually led to the teenager's death.<p>St. Louis …

4 worshipers killed in Jerusalem synagogue; Netanyahu calls for unity

<b>Jerusalem (CNN) —</b> A Jerusalem synagogue turned from peaceful sanctuary to house of horrors within moments Tuesday when two Palestinian cousins wielding a gun and butcher knives attacked during morning prayers -- a terror attack that Israel's leader characterized as "blood libel" fanned by …