Flower sex safeguards against dud sperm

BROWN (US) — Discovering how flowers manage the distribution of sperm among female gametes helps biologists explain why they are so widespread. Continue…

Friday, May 18, 2012 15:24 - 0 Comments

Society & Culture - May 18, 2012 9:25 - 0 Comments

Clergy fight HIV in ‘faith-friendly’ way

BROWN (US) — By offering messages about getting tested and staying on treatment, black clergy could break through barriers imposed by traditional preaching about HIV prevention. (more…)

Science & Technology - May 17, 2012 12:16 - 10 Comments

Paralyzed woman uses mind to move robot arm

BROWN (US) — Two people with paralysis were able to control robotic arms using only their thoughts—and the help of a new interface system. (more…)

Health & Medicine - May 16, 2012 10:10 - 0 Comments

Feeding tube may flare some ulcer risks

BROWN (US) — Gastric feeding tubes may do more harm than good for bedridden dementia patients, new research shows. (more…)

Science & Technology - May 10, 2012 16:48 - 0 Comments

Brainless brittle stars move (sort of) like us

BROWN (US) — Even without a brain, the thick-spined brittle star moves in fundamentally the same way we do. (more…)

Science & Technology - May 2, 2012 10:35 - 0 Comments

Quantum ‘nail polish’ yields laser lights

BROWN (US) — Engineers can now produce red, green, and blue laser light from a single type of nanoscale crystal, which could lead to more colorful digital displays. (more…)

Science & Technology - Apr 25, 2012 10:40 - 1 Comment

Were bones ‘Tums’ for early land crawlers?

BROWN (US) — In the move from water to land 370 million years ago, early land crawlers may have used bone in their skin and scalp to shed carbon dioxide and prevent acid build-up, an approach still used by some animals today. (more…)

With RNA edits, fly guys lose mating skill

BROWN (US) — Scientists find that “locking down” RNA’s self-editing process at two extremes creates strange behaviors in fruit flies. (more…)

Science & Technology - Apr 13, 2012 7:41 - 0 Comments

Brain cells tag objects as new or known

BROWN (US) — A new study offers a possible explanation of how two classes of neurons play distinct roles to help the brain recognize objects. (more…)

Science & Technology - Apr 11, 2012 11:33 - 0 Comments

To save energy, fold wings on the up-flap

BROWN (US) — Bats take advantage of their flexibility by folding in their wings on the upstroke to save inertial energy, a strategy that might help design winged vehicles. (more…)

Health & Medicine - Apr 10, 2012 10:43 - 1 Comment

Hospital visits spike Alzheimer’s care costs

BROWN (US) — Medicare could save money by reducing the number of hospitalizations that occur between when Alzheimer’s patients are first diagnosed and when they become permanent nursing home residents. (more…)

Society & Culture - Apr 5, 2012 16:37 - 0 Comments

Beanball revenge: Vicarious punishment

BROWN (US) — Baseball fans show a high moral tolerance for a form of revenge not practiced in most of society: vicarious punishment. (more…)

Health & Medicine - Apr 4, 2012 15:09 - 0 Comments

Protein’s ‘long-haul’ signals build the body

BROWN (US) — Biologists have found a new molecule in fruit flies that is key to the information exchange needed to build wings properly. (more…)

Health & Medicine - Mar 29, 2012 12:10 - 0 Comments

Protein ‘jailbreak’ prolongs breast cancer

BROWN (US) — Researchers have traced the molecular interactions that allow a protein to escape the nucleus of a breast cancer cell and extend its life. (more…)

Health & Medicine - Mar 19, 2012 10:49 - 0 Comments

Plastics chemical alters mice reproduction

BROWN (US) — When exposed in utero to very high doses of a common industrial chemical that makes plastics more pliable, mice have shortened reproductive lives and abnormal cell growth in their mammary glands as they age. (more…)

Health & Medicine - Feb 15, 2012 15:07 - 0 Comments

Without key protein, synapses break up

BROWN (US) — An important protein’s role in linking nerves and muscles may lead to treatments for conditions like Lou Gehrig’s disease. (more…)

Science & Technology - Feb 9, 2012 12:52 - 0 Comments

Uncertain choices light up ‘explorer’ brains

BROWN (US) — People who consistently select for uncertainty may harness the computational power of a specific brain region. (more…)

Health & Medicine - Feb 7, 2012 16:20 - 0 Comments

Missed Rx: Does doctor listen or lecture?

BROWN (US) — Doctors rely on orders, rather than problem-solving, when talking with HIV-positive patients about taking their medication. (more…)

Health & Medicine - Jan 20, 2012 12:41 - 0 Comments

High-risk adults don’t get Hepatitis B vaccine

BROWN (US) — More than half of adults at the highest risk for hepatitis B remain unvaccinated—one reason that tens of thousands of people still contract the virus every year. (more…)

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