Humans
We summarize the week's scientific breakthroughs every Thursday.
- Humans
Cutting edge chemistry rushes online
A new online server offers a place for communicating chemistry research to other scientists quickly and without peer review.
- Humans
Russia’s nuclear-safety issues spread
A leading Russian environmentalist, Aleksandr Nikitin, says Russia's problems with nuclear-waste management should concern people beyond that country's borders.
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- Health & Medicine
Carotid surgery stands test of time
Surgery to remove blockages from the carotid artery in the neck has lasting effects against stroke over several years and even provides some benefit when it's delayed.
- Health & Medicine
Marrow converted into brain cells
Scientists can now efficiently transform bone marrow into nerve cells.
- Health & Medicine
Sperm just say NO to egg cells
Sperm fertilizing an egg produce a whiff of nitric oxide.
- Health & Medicine
Data faked in immune-system study
A researcher fabricated evidence suggesting that never-before-seen RNA-DNA-hybrid molecules play a role in creating antibodies.
- Health & Medicine
Coffee linked to rheumatoid arthritis
People who drink four or more cups of coffee per day appear more likely to get rheumatoid arthritis than are those drinking less.
- Health & Medicine
Do zinc lozenges shorten common colds?
People taking zinc to fight a cold report less coughing, less nasal discharge, and a shorter cold than do people getting a placebo.
- Health & Medicine
Do more infections mean less asthma?
Young infants kept out of day care and having no more than one older sibling are significantly more likely to develop asthma than are babies who have greater exposure to other children.
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- Health & Medicine
DNA vaccine immunizes fetal lambs
Canadian scientists have devised a way to vaccinate fetal lambs, which could spawn more research into in utero methods for preventing the spread of disease from mothers to their babies.
