Mummy Lice Found In Peru May Give New Clues About Human Migration
Mummy Lice Found In Peru May Give New Clues About Human Migration
Lice from 1,000-year-old mummies in Peru may unravel important clues about a different sort of passage: the migration patterns of America's earliest humans, a new study suggests. DNA sequencing found the strain of lice to be genetically the same as the form of body lice that spawns several deadly diseases, including typhus, which was blamed for the loss of Napoleon's grand army and millions of other soldiers, one of the researchers said.
'Good Bacteria' In Women Give Clues For Slowing HIV Transmission
Beneficial bacteria found in healthy women help to reduce the amount of vaginal HIV among HIV-infected women and make it more difficult for the virus to spread, boosting the possibility that "good bacteria" might someday be tapped in the fight against HIV.
Irregular Exercise Pattern May Add Pounds
The consequences of quitting exercise may be greater than previously thought, according to a new study that determined that the weight gained during an exercise hiatus can be tough to shed when exercise is resumed at a later date.
Chemists Track How Drug Changes, Blocks Flu Virus
Chemists have discovered an antivirus drug attacks influenza A by changing the motion and structure of a proton channel necessary for the virus to infect healthy cells. Researchers said the findings are particularly important because mutations of the type A virus are resistant to the antivirus drug.
Fatal Copper Disorder Can Now Be Detected At Birth
A new test could greatly extend the survival of infants with Menkes disease, a rare, otherwise fatal disorder of copper metabolism. The test allows for early diagnosis of the condition, when the chance for successful treatment is greatest.
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