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Sara B. Caldwell

Citizen based in NYC metro area, United States. Joined on May 16, 2009
Expertise in Health, Women's health, Science & space, Technology, Internet


View meteors, fireballs now through Thursday

Astronomists are gearing up for the annual Perseid meteor show. Be sure to stay up and look up! This year is expected to be especially exciting as early (June) reports indicated as many as one every two minutes.

Two Taliban commanders fight to the death over control

Although still denying that their leader, Baitullah Mehsud, is dead, the Taliban held a meeting on Saturday to determine who would be his successor. During the meeting, two top commanders reportedly broke out into a gunfight and died.

Free radios distributed to India's lowest caste

Officials of Bihar state are distributing radios to Dalits, the "untouchables" of the Hindu caste system, to help them become more informed. Although untouchability is a crime, Dalits continue to face discrimination and injustice.

Education college major attracts religious students, study finds

As compared with other majors, education overly attracts religious students. These students also tend to become more religious by the time they graduate. Social sciences and humanities students, however, often become less religious during their residency.

Malaria vaccine en route to human clinical trial

Scientists have created a vaccine that stops the parasite Plasmodium falciparum, responsible for malaria, to multiply and enter the blood stream. The vaccine was 100 per cent effective in mice; human trials will begin in 2010.

Steven Tyler sustained head, neck injuries after stage plunge

The Aerosmith lead vocalist was hospitalized Wednesday evening after falling backward off stage catwalk. The group was performing an outdoor concert at the Sturgis Motorcycle Rally in South Dakota.

Unique cancer cells stay after anti-cancer treatment

Scientists found that after treatment, a subset of resistant cancer cells exist in breast cancer tumors. These cells look different, defining a "gene signature" that can be used to develop new drugs against the disease.

Exercising brain delays rapid memory loss in developed dementia

Researchers found that people with dementia who read, play card games, and engage in other brain activities can delay the onset of rapid memory decline associated with the cognitive impairment.

Op-Ed: Amazon removing books off Kindle an invasion of privacy?

In a move upsetting customers and leaving individuals to question "big brother"-like ethics, Amazon remotely removed two books off users' Kindle ebook readers without consent. The copies had been added by a company that did not have distribution rights.

From poultry industry waste to biodiesel

Scientists devised a method that would yield approximately 593 million gallons of biodiesel worldwide (150−200 million gallons in the U.S.) from the billions of pounds of poultry industry waste that accumulates annually.

Repair of injured central nervous system may be possible

French researchers developed a procedure that halts the formation of scar tissue and could promote neuronal regeneration after nerve injury. The possibility of repairing voluntary motor activity brings hope to those with spinal cord injuries.

Toilet floods on International Space Station

For the 13 astronauts in space, this is not a good day. One of two space station commodes became clogged and flooded. Currently, the severity of the problem is unknown, with no time frame of when it will be fixed.

Wrongly imprisoned man received no empathy from Sotomayor Special

Jeff Deskovic was wrongly convicted of a rape and murder that he did not commit. DNA evidence did not link to him, but rather to a convicted felon. Yet all seven of his appeals were turned down, including two in Sotomayor’s courtroom.

Michael Jackson had insomnia, begged for powerful sedative

A nutritionist who worked for Jackson repeatedly rejected his demands for the intravenous drug Diprivan, used to induce sleep. She was phoned on June 21, and recalls Jackson very frantic and saying "One side of my body is hot... and the other is cold."

Daily sex keeps sperm healthy

According to an Australian study, men who ejaculated daily for seven consecutive days had improved sperm quality by reducing the amount of DNA damage. Additionally, decreased semen volume and sperm concentrations, but improved sperm motility were seen.

Fat of red meat, dairy increases risk of pancreatic cancer

Conducted at the National Cancer Institute, a six-year study following over 500,000 people is the first to conclusively link fat intake to pancreatic cancer.

Is that person hot? Men agree, women don’t

In a new study addressing what attributes makes men and women attractive, men were found to agree a lot more while women, however, couldn’t agree.

Interview: Humans use right ear for listening, study reveals Special

Italian researchers looked at ear preference in communication between humans. Three experiments were conducted in noisy, dance club environments. Results indicate that a natural ear-side bias is seen in everyday human behavior.

Plant recognizes others and warns of danger, study reveals

Sagebrush communicated and cooperated with other branches of themselves to avoid being eaten by predators. Scientists suspect that the plants communicate and warn by emitting volatile cues. Are plants capable of more sophisticated behavior than we think?

Nasal spray 'Zicam' can cause permanent smell loss, FDA warns

The FDA issued a warning to stop using and discard three zinc-containing Zicam intranasal products, as they may cause anosmia. The FDA, however, does not regulate homeopathic products such as Zicam, leading some to ask if the agency should.
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