News
- Health & Medicine
Transfusions harm some heart patients
Patients who undergo coronary-bypass surgery frequently receive unnecessary blood transfusions as part of their follow-up care.
- Health & Medicine
Old drug, new trick
The drug rapamycin, now used in transplants, may make chemotherapy for acute lymphoblastic leukemia more effective.
- Health & Medicine
Molecule 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.
- Health & Medicine
Rare 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.
- Earth
Lab tests hint at where xenon hides out
Results of recent experiments in which scientists squeezed a mixture of xenon and powdered quartz at high temperatures and pressures may explain why the gas is found at relatively low concentrations in the atmosphere.
- Health & Medicine
Ebola may travel on the wing
Fruit bats can carry the Ebola virus, suggesting that they may spread it in Africa.
- Astronomy
A puny way to make planets
Brown dwarfs are failures in the star-making business, but new observations reveal that they may still succeed in growing planets.
- Tech
Nanotubes spring eternal
Researchers have discovered that forests of carbon nanotubes squish and expand like foams, but with extraordinary resilience.
- Physics
Peek-a-bubble
Physicists made a stable, doughnut-shaped air bubble in water by encasing the gas ring in beads that form a stiff shell.
- Health & Medicine
Tomorrow’s Clot Stoppers? New anticoagulants show promise
Two experimental drugs could become alternatives to warfarin and a class of other products that are used widely to protect against potentially fatal blood clots.
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Brain Training Puts Big Hurt on Intense Pain: Volunteers learn to translate imaging data into neural-control tool
Using brain-imaging technology, researchers have trained people to control activity in a pain-related brain area by using mental techniques, thus enabling them to reduce the intensity of temporary or chronic pain.
- Astronomy
Cosmic Expansion: Supernovas shed light on dark energy
A new study of light from supernovas provides additional hints that dark energy, the mysterious entity revving up the expansion of the universe, might be distributed uniformly throughout space and time.
