• Science

    HIV Resistance Through Oral Sex?

    By Julia Wallace Posted on 2.18.2009 11 Comments

    It has long been known that contracting HIV through oral sex is rare. Klara Hasselrot of Stockholm's Karolinska Institutet recently wrapped up a study--detailed in a forthcoming paper in the international AIDS journal AIDS--that might shed some light on why this is. It provides the first-ever evidence that humans can develop resistance to HIV in their saliva.

    2.23.2009 at 09:27am - Comment by Theophx

    I would like to know if this response would occur with a man in a heterosexual relationship with a HIV positive partner? Phoenix, Az.

  • Gadgets

    PopSci.com Giveaway: Win Advanced Lithium Batteries from Energizer

    By Posted on 1.21.2009 135 Comments

    Leave a comment (any comment) for a chance to win a pack of Advanced Lithium batteries from Energizer. 20 lucky winners will be chosen randomly on January 31, 2009.

    1.24.2009 at 10:57pm - Comment by Theophx

    One can never have enough bunny batteries.

  • Science

    Foreskin for Clear Skin?

    By Julia Wallace Posted on 11.21.2008 18 Comments

    It sounds like just another uber-meltable cheese product, but Vavelta is actually miles away from anything you'd want to put in your mouth. It's a radical new treatment for facial pitting, scarring, and wrinkles made out of—what else?—newborns' foreskins. Foreskins have long been treasured by cosmetic dermatologists because they are rich in fibroblasts, tiny cells that play a crucial role in healing wounds and generating collagen and connective tissue.

    11.23.2008 at 10:33pm - Comment by Theophx

    I can understand skin grafts, unfortunately I also understand vanity and the almighty dollar.



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December 2009: Best of What's New

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