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Science

Photos: Bighorn sheep release

Photos: Bighorn sheep release

Fourteen bighorn sheep were released into the Catalina Mountains this morning.

November 20, 2014 9:49 am Photos

Photos

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Mass. town ends bid to ban tobacco sales

Mass. town ends bid to ban tobacco sales

WESTMINSTER, Mass. — A proposal that would have made this town the first in the nation to ban all tobacco sales has gone up in smoke.

November 19, 2014 5:46 pmLoading…
Town ends bid to ban tobacco sales after outcry

Town ends bid to ban tobacco sales after outcry

Opponents of a plan to ban the sale of tobacco products show their displeasure at a Nov. 12 hearing. The plan died when the Westminster Board of Health voted 2-1 against it.

November 19, 2014 5:46 pmLoading…

One’s occupation helps determine brainpower into old age, study says

Once again, there’s proof that using your noggin to work hard pays handsome dividends — this time, in protecting brainpower as you age.

November 19, 2014 5:08 pmLoading…
Growing trend to remove healthy breasts baffles doctors

Growing trend to remove healthy breasts baffles doctors

More women are opting for bilateral mastectomies rather than breast-conserving surgery.

November 19, 2014 4:11 pmLoading…
CDC chief drops worst-case Ebola estimate

CDC chief drops worst-case Ebola estimate

NEW YORK — The government’s worst-case scenario forecast for the Ebola epidemic in West Africa won’t happen, a U.S. health official said Wednesday.

November 19, 2014 1:22 pmLoading…
Early statin use may give long-term heart benefits

Early statin use may give long-term heart benefits

Taking a cholesterol-lowering drug might have "a lifetime effect," doctor says.

November 19, 2014 1:15 pmLoading…
Joaquin Ruiz, PhD

Joaquin Ruiz, PhD

Joaquin Ruiz, PhD, Dean of the College of Science at the University of Arizona.

November 19, 2014 11:53 amLoading…
Julie Miller

Julie Miller

Julie Miller, UA assistant professor of neuroscience and of speech, language and hearing sciences.

November 19, 2014 11:49 amLoading…
Ted Weinert

Ted Weinert

Ted Weinert, UA Professor of Molecular and Cellular Biology.

November 19, 2014 11:42 amLoading…
White Mountains

White Mountains

Matt Salzer, foreground, and Andy Bunn core a large, dead remnant bristlecone that lived more than 5,900 years ago in the California’s White Mountains. Such remnant wood is often older than living trees and extends the ring-width record back in time

November 19, 2014 10:43 amLoading…
White Mountains

White Mountains

In the White Mountains of California, gnarly ancient bristlecone pine grow at high elevation in complex mountainous terrain. The growth rings from such trees can yield temperature records going back thousands of years.

November 19, 2014 10:44 amLoading…
White Mountains

White Mountains

At approximately 11,580 feet in elevation, not much else grows but bristlecone pine at this upper tree line stand on Sheep Mountain in California’s White Mountains. Note the person in the lower left foreground.

November 19, 2014 10:36 amLoading…
Matthew Salzer

Matthew Salzer

Matthew Salzer, UA Research Associate in Dendrochronology, Laboratory of Tree-Ring Research is an author for the upcoming Science Tab done in conjunction with University of Arizona in Tucson, AZ. Photo taken Wednesday, November 12, 2014.

November 19, 2014 10:36 amLoading…
Lepidoptera Course

Lepidoptera Course

Robert Delph points out an unidentified moth to Bruce Walsh. Members of the Lepidoptera Course at Southeastern Arizona’s Southwest Research Station set up a sheet lit by mercury vapor lights to attract nocturnal insects.

November 19, 2014 10:15 amLoading…
Ross Buchan

Ross Buchan

Ross Buchan, UA Assistant Professor of Molecular and Cellular Biology is an author for the upcoming Science Tab done in conjunction with University of Arizona in Tucson, AZ. Photo taken Wednesday, November 12, 2014.

November 19, 2014 10:12 amLoading…
Michelle Sandoval

Michelle Sandoval

Three-year-old Myles Campbell points to a picture on a computer screen in preparation for testing by UA postdoctoral research associate Michelle Sandoval.

November 19, 2014 10:05 amLoading…
Rebecca Gomez

Rebecca Gomez

Rebecca Gomez photographed for the Science Tab in the Star studio on Wednesday, August 13, 2014 in Tucson, AZ.

November 19, 2014 10:06 amLoading…
John Allen

John Allen

John Allen, UA Distinguished Professor of Psychology.

November 19, 2014 9:59 amLoading…
ultrasound vibrations

ultrasound vibrations

University of Arizona psychology researchers are studying whether delivering ultrasound vibrations to people's brains can improve their mood. Here Davi Vitela models the headband used in the ultrasound treatment.

November 19, 2014 9:58 amLoading…

Intimate kiss can transfer 80 million bacteria

Scientists have demonstrated that boys (well, men) really do have cooties (a simplified term for bacteria) that can spread to girls (OK, women) by kissing them.

November 19, 2014 7:37 amLoading…

CERN scientists discover 2 new subatomic particles

GENEVA — Scientists at the world’s largest atom smasher said Wednesday they have discovered two new subatomic particles never seen before that could widen our understanding of the universe.

November 19, 2014 5:15 amLoading…
Target of UA space mission in NASA animation

Target of UA space mission in NASA animation

OSIRIS-REx will catch up to Asteroid Bennu in 2018, return sample to Earth.

November 19, 2014 12:00 am Photos

Photos

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COPUS

COPUS

The pie chart of the COPUS observations of the students in a physics class (a) that was redesigned to use to active teaching approaches is compared to a physics class (b) that uses primarily lecture. Significantly higher scores on a common final exam were observed from class (a) compared to …

November 18, 2014 7:01 pmLoading…
Gail Burd

Gail Burd

Gail Burd, UA Senior Vice Provost of Academic Affairs and Distinguished Professor of molecular and cellular biology.

November 18, 2014 7:02 pmLoading…

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