All Stories by Christen Brownlee
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Itsy bitsy genome
Researchers have sequenced the smallest genome yet discovered, a string of DNA belonging to a species of bacterium that lives inside sap-eating insects' guts.
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Cloning is most efficient using non–stem cells
Fully matured cells can be used to clone animals.
- Health & Medicine
Life Blood: Drug stops mothers’ bleeding after births
A drug sometimes used to induce abortions can stem bleeding after childbirth.
- Health & Medicine
Warming Up to Hyperthermia
By notching up a tumor's temperature a few degrees, scientists are boosting the power of radiation, chemotherapy, and cancer vaccines.
- Humans
Nobel prizes recognize things great and small
The 2006 Nobel prizes in the sciences were announced this week, and all five winners are U.S. scientists.
- Health & Medicine
Bad Alzheimer’s proteins sow disorder in the brain
Alzheimer's disease may start with a single abnormal protein that spoils other proteins nearby.
- Health & Medicine
The Bad Fight: Immune systems harmed 1918 flu patients
The 1918 Spanish flu virus may have launched an intense immune attack that devastated patients' lungs.
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Insecticide gets help from gut bacteria
The world's most widely used organic insecticide appears to rely on an insect's normal gut flora to do its dirty work.
- Animals
Family Tree: An arboreal genome is sequenced
Researchers have sequenced the genome of a tree for the first time.
- Health & Medicine
Pick Your Antipoison
New research may soon make treating venomous bites and stings less expensive, less risky, and more effective.
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High-protein diets boost hunger-taming hormone
Eating protein appears to boost blood concentrations of a hormone recently found to restrict appetite.
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Stem cells sense stiffness
Stem cells can sense the texture of whatever medium they're growing on and use this quality to guide their fate.
