Author Archives: Cynthia Graber

Lighting goes digital

By Cynthia Graber / September 23, 2008

Brighter and more efficient, LED lights are on the horizon

Posted in Technology & Engineering | Tagged , , , , , ,

Blood goes stale—and fairly quickly

By Cynthia Graber / April 2, 2008

Doctors have long thought it safe to store donated blood for up to 42 days, but some patients do better when the blood they receive is fewer than 14 days old.

Posted in Body & Health | Tagged , , ,

Listening to birdsong

By Cynthia Graber / April 2, 2008

Among certain finches, a lady bird knows when a gentleman bird is sending subtle messages in his calls—ones that people can’t detect.

Posted in Animals