Humans
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We summarize the week's scientific breakthroughs every Thursday.
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		HumansLetters from the December 24 & 31, 2005, issue of Science News
Bends, the truth I very much enjoyed “Cool Birds” (SN: 10/22/05, p. 266). What struck me, however, was a passage that mentioned the “bird’s resistance to the bends” and the researchers’ alleged inability to explain that. As a scuba diver, I know that the bends, or decompression sickness, is caused by breathing compressed air underwater. […]
By Science News - 			
			
		Health & MedicineProtein predicts sickle-cell danger
A biological marker of heart trouble can be used to identify sickle-cell anemia patients who are at greatest risk of developing a serious, disease-related complication.
By Ben Harder - 			
			
		Health & MedicineTransfusions harm some heart patients
Patients who undergo coronary-bypass surgery frequently receive unnecessary blood transfusions as part of their follow-up care.
By Ben Harder - 			
			
		Health & MedicineOld drug, new trick
The drug rapamycin, now used in transplants, may make chemotherapy for acute lymphoblastic leukemia more effective.
By Ben Harder - 			
			
		Health & MedicineMolecule marks leukemia cells
Researchers can now single out malignant cells in the bone marrow of patients with acute myeloid leukemia by using an antibody that latches on to a newfound cell protein.
By Ben Harder - 			
			
		Health & MedicineRare marrow cells tackle deadly immune reaction
Researchers have developed a new technique to counter graft-versus-host disease, a common complication of treating blood cancers with marrow-cell transfusions.
By Ben Harder - 			
			
		Health & MedicineEbola may travel on the wing
Fruit bats can carry the Ebola virus, suggesting that they may spread it in Africa.
By Nathan Seppa - 			
			
		HumansIrreplaceable Perplexity 101
An imaginary classroom provides lessons on the all-too-real debate over evolution and intelligent design.
By Bruce Bower - 			
			
		HumansArchival Science
Photos from the Science Service archive at the Smithsonian offer fresh views of the Scopes evolution trial.
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		HumansFrom the December 14, 1935, issue
A TVA dam nears completion, sleep aids memory and relearning, and shedding light on the upper atmosphere.
By Science News - 			
			
		HumansPioneers in Science Writing
Starting in the early 1920s, Science Service, which publishes Science News, played a significant role in promoting the public understanding of science. Its staff of writers included several women who were pioneers in the emerging field of science journalism. The Smithsonian Institution Archives has a Web exhibit that highlights the careers of five of these […]
By Science News - 			
			
		Health & MedicineBreathing Easier with Vitamin D
Making sure that our bodies have ample vitamin D slows or limits a number of degenerative changes, including diminished lung function.
By Janet Raloff