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  • News

    A new implant uses light to control overactive bladders

    A new soft, wireless implant may someday help people who suffer from overactive bladder get through the day with fewer bathroom breaks.

    The implant harnesses a technique for controlling cells with light, known as optogenetics, to regulate nerve cells in the bladder. In experiments in rats with medication-induced overactive bladders, the device alleviated animals’ frequent need to pee,...

    01/02/2019 - 13:00 Biomedicine, Technology
  • News

    Tumor ‘organoids’ may speed cancer treatment

    SAN DIEGO — Collecting cancer cells from patients and growing them into 3-D mini tumors could make it possible to quickly screen large numbers of potential drugs for ultra-rare cancers. Preliminary success with a new high-speed, high-volume approach is already guiding treatment decisions for some patients with recurring hard-to-treat cancers.

    “Believe it or not, for some rare cancers...

    12/17/2018 - 12:00 Cancer, Biomedicine, Cells
  • News

    Baboons survive 6 months after getting a pig heart transplant

    For roughly six months, fully functioning pig hearts beat inside the chests of two Anubis baboons. Genetic modifications to the pig hearts along with a new transplant technique are credited with the longest-yet survival after such a transplant, researchers report December 5 in Nature. Previously, the longest a baboon lived after such a procedure was 57 days.

    Another two baboons in the...

    12/05/2018 - 13:08 Biomedicine
  • 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

    Artificial intelligence crowdsources data to speed up drug discovery

    A new cryptographic system could allow pharmaceutical companies and academic labs to work together to develop new medications more quickly — without revealing any confidential data to their competitors.

    The centerpiece of this computing system is an artificial intelligence program known as a neural network. The AI studies information about which drugs interact with various proteins in...

    10/18/2018 - 14:00 Artificial Intelligence, Biomedicine, Technology
  • Letters to the Editor

    Readers wonder about a hydrogen wall, pig lung transplants and more

    Wonderwall

    An ultraviolet glow spotted by NASA’s New Horizons spacecraft may signal a hydrogen wall that separates the solar system from the rest of the Milky Way galaxy, Lisa Grossman reported in “New Horizons may have seen a glow at the solar system’s edge” (SN: 9/15/18, p. 10).

    Online reader RayRay wondered if researchers could see similar walls at the edges of other solar...

    10/17/2018 - 07:15 Astronomy, Biomedicine, Genetics