6,291 results
6,291 results for: Virus
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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.
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Single gene turns flu deadly
Variations in a single gene may have dramatically increased the virulence of 1918 Spanish flu.
- 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
A vaccine for cervical cancer
A vaccine against human papillomavirus, which causes cervical cancer, has proved 94 percent effective in preventing the virus from infecting women.
- Health & Medicine
TB vaccine gets a needed boost
An experimental vaccine against tuberculosis imparts significant immunity, but only in people who have previously received the existing bacille Calmette-Guérin vaccine for TB.
- Health & Medicine
One-Two Punch: Vaccine fights herpes with antibodies, T cells
An experimental vaccine against genital herpes shows promise in animal tests.
- Health & Medicine
Phage Attack: Antibacterial virus might suppress cholera
Bacteria-attacking viruses that infect bacteria hold cholera bacteria in check throughout most of the year except during the rainy season when these viruses become diluted.
- Materials Science
Magnetic nanorods on cruise control
Chemists have created miniature engines out of nanoscale metallic rods that propel themselves using chemical energy.
- Health & Medicine
Good Exposure: Contact with babies might lessen MS risk
People who grow up with younger siblings close to them in age are less likely to develop multiple sclerosis later in life than are people without such siblings.
- Health & Medicine
When Ebola Looms: Human outbreaks follow animal infections
A network of organizations in an African region prone to Ebola epidemics has identified the virus in wild-animal remains prior to two recent human outbreaks, suggesting that animal carcasses may provide timely clues that could prevent the disease from spreading to people.
- Earth
Of X rays, viruses, and cooked meat
The National Toxicology Program updated its list of human carcinogens to include X rays and several viruses and added lead and some compounds formed in overcooked meats to its list of probable human carcinogens.
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Hearing Repaired: Gene therapy restores guinea pigs’ hearing
By turning on a gene that's normally active only during embryonic development, researchers have restored hearing in deaf guinea pigs.
