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E.g., 12/10/2018
E.g., 12/10/2018
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  • John Carlin and his wife Martha
  • flu death in 1918
  • mass grave
Your search has returned 1902 articles:
  • Feature

    A gut-brain link for Parkinson’s gets a closer look

    Martha Carlin married the love of her life in 1995. She and John Carlin had dated briefly in college in Kentucky, then lost touch until a chance meeting years later at a Dallas pub. They wed soon after and had two children. John worked as an entrepreneur and stay-at-home dad. In his free time, he ran marathons.

    Almost eight years into their marriage, the pinky finger on John’s right hand...

    12/07/2018 - 09:00 Health, Neuroscience, Microbiology
  • Reviews & Previews

    Two new books explore the science and history of the 1918 flu pandemic

    The U.S.S. Leviathan set sail from Hoboken, N.J., on September 29, 1918, carrying roughly 10,000 troops and 2,000 crewmen. The ship, bound for the battlefields in France, had been at sea less than 24 hours when the first passengers fell ill. By the end of the day, 700 people had developed signs of the flu.

    The medical staff tried to separate the sick from the healthy, but that soon...

    12/07/2018 - 07:00 Health, History of Science, Microbiology
  • News

    A 5,000-year-old mass grave harbors the oldest plague bacteria ever found

    A long-dead Scandinavian woman has yielded bacterial DNA showing that she contracted the earliest known case of the plague in humans.

    DNA extracted from the woman’s teeth comes from a newly identified ancient strain of Yersinia pestis, the bacterium that causes plague, the oldest ever found. The woman’s bones, which date from 5,040 to 4,867 years ago, were found nearly 20 years ago in a...

    12/06/2018 - 11:00 Genetics, Anthropology, Microbiology
  • News

    These new tweezers let scientists do biopsies on living cells

    It’s like the world’s smallest game of “Operation.” A new set of nanotweezers can extract DNA and other single molecules from a living cell without killing it.

    Examining the molecular contents of a single cell has traditionally required killing the cell by bursting it open. But that process provides only a single snapshot of the cell’s molecular makeup at the time of its death. The new...

    12/03/2018 - 11:00 Cells, Technology
  • News

    Dads, not just moms, can pass along mitochondrial DNA

    Some dads have broken a textbook genetic rule. Fathers in three unrelated families passed mitochondria — tiny energy factories found in cells — on to their children, researchers report.

    Scientists have long thought that children inherited mitochondria exclusively from their mothers, since mitochondria from the father’s sperm are usually destroyed after fertilizing the egg (SN: 1/1/00, p...

    12/03/2018 - 06:00 Cells, Genetics
  • News

    An acid found in soil may make a disease killing deer less infectious

    An acid found in rich humus soil breaks down the misfolded brain proteins — called prions — that cause chronic wasting disease.

    When concentrations of humic acid similar to those found in soils were applied to diseased elk brain tissue, chemical signatures of the infectious prions were nearly erased, researchers report online November 29 in PLOS Pathogens. That suggests that the acid...

    11/30/2018 - 06:00 Toxicology, Animals, Microbiology
  • News

    The researcher who created CRISPR twins defends his work but fails to quell controversy

    A Chinese researcher who helped create the world’s first gene-edited babies publicly disclosed details of the work for the first time to an international audience of scientists and ethicists, and revealed that another gene-edited baby is due next year.

    Lulu and Nana, twin girls whose DNA was edited with CRISPR/Cas9 to disable the CCR5 gene involved in HIV infections, may soon be joined...

    11/28/2018 - 15:54 Genetics, Science & Society
  • News

    A patch studded with tiny needles may help heart attack survivors recover

    A new type of implantable bandage could help mend broken hearts.

    Each bandage is a thin film that oozes a cocktail of molecules to heal tissue damaged during a heart attack. In experiments with rats and pigs, these patches helped minimize scarring and preserve the heart’s ability to pump blood, researchers report online November 28 in Science Advances. Such devices could someday curb...

    11/28/2018 - 14:03 Biomedicine, Cells, Health, Technology
  • News

    Chinese scientists raise ethical questions with first gene-edited babies

    A Chinese scientist’s surprise announcement on the eve of an international human gene-editing summit that he has already created the world’s first gene-edited babies has led to swift condemnation.

    Jiankui He is expected to discuss his work November 28 in Hong Kong at the second International Summit on Human Genome Editing. But in an interview with the Associated Press, and in a video...

    11/27/2018 - 17:51 Genetics, Science & Society
  • News in Brief

    Gut bacteria may guard against diabetes that comes with aging

    Losing one variety of gut bacteria may lead to type 2 diabetes as people age.

    Old mice have less Akkermansia muciniphila bacteria than young mice do, researchers report November 14 in Science Translational Medicine. That loss triggers inflammation, which eventually leads cells to ignore signals from the hormone insulin. Such disregard for insulin’s message to take in glucose is known as...

    11/19/2018 - 10:55 Microbiology, Physiology, Immune Science