6,170 results
-
19245
Your article refers to a virus as a “microbe.” I think of a virus more as a seed or spore. What definition is Science News using for the word? Neil MurphyWalnut Creek, Calif. Medical dictionaries differ in defining viruses as microbes . Merriam-Webster’s Collegiate Dictionary Eleventh Edition ( 2003, Merriam-Webster ) says that viruses are […]
- Physics
Tiny tubes tune in colors
At the right length and conductivity, ultrathin filaments of carbon known as carbon nanotubes can receive visible light waves in the same the way as larger antennas receive radio signals.
- Health & Medicine
SARS virus can spread in lab animals
At least two types of mammals can acquire and transmit the virus that causes severe acute respiratory syndrome (SARS), and Chinese animal traders have high rates of past exposure to the virus.
- Health & Medicine
AIDS Vaccine Tests Well in Monkeys
An experimental AIDS vaccine bolstered with two immune proteins protects rhesus monkeys from the disease even when they are exposed to a combination of simian and human immunodeficiency virus.
- Math
Generous Players
Game theory is helping to explain how cooperation and other self-sacrificing behaviors fit into natural selection.
- Health & Medicine
Old-fashioned circumcision can spread herpes
Boys whose ritual circumcisions involve an ancient, and now rare, practice may acquire herpes during the operation.
-
Protein Portal: Enzyme acts as door for the SARS virus
A protein that regulates blood pressure also serves as the cellular portal for the SARS virus.
-
Trash to Treasure: Junk DNA influences eggs, early embryos
A type of DNA once thought to be little more than genetic clutter may play a role in gene expression in mammalian eggs and newly formed embryos.
-
Seek and Destroy: Virus attacks cancer, spares normal cells
A virus carried by mosquitoes naturally homes in on cancer cells and destroys them.
-
Bubble Trouble: Mad cow proteins may hitch a ride between cells
Prions, the proteins behind mad cow disease, may travel between cells in bubbles called exosomes.
- Health & Medicine
HIV outwits immune system, again
The AIDS virus uses immune system proteins to hitch rides on the antibody factories known as B cells, possibly helping it find potential host cells.
- Health & Medicine
HIV drugs may stop cervical disease
A drug combination given to people with HIV, the AIDS virus, helps knock out precancerous cervical lesions in some women.
