Biology

Syndicate content

Sensors can augment sonar, vision system in submarines

To find prey and avoid being preyed upon, fish rely on a row of specialized sensory organs along the sides of their bodies, called the lateral line. Now, a research team led by Chang Liu at the University of Illinois at Urbana-Champaign has built an artificial lateral line that can provide the same functions in underwater vehicles.

Read the full story

Alternative brain cancer treatment identified by biologists

Boston College biologists have identified an alternative, diet-based method of treating brain cancer that does not involve administering toxic chemicals, radiation or invasive surgery.

Read the full story

Sense and sensibility in short-term memory

More than three centuries ago, Sir Isaac Newton reflected on the similarities between the sense of hearing and the sense of sight. Newton's speculations were impossible to test scientifically, until now. A novel Brandeis University study confirms the Newtonian idea that sight and sound are indeed parallel-at least when it comes to encoding and retrieving short-term memories from the two senses.

Read the full story

Scientific literacy happens when students think for themselves

Give college students less instruction and more freedom to think for themselves in laboratory classes, and the result may be a four-fold increase in their test scores.

Read the full story

Is biodiversity the future of farming?

Industrial agriculture faces painful challenges: the end of cheap energy, depleted water resources, impaired ecosystem services, and unstable climates. Scientists searching for alternatives to the highly specialized, energy intensive industrial system might profitably look to the biological synergies inherent in multi-species systems, according to an article in the March-April 2007 issue of Agronomy Journal.

Read the full story

Linguistics expert to speak on language extinction

Fairbanks, Alaska-Humans speak more than 6,000 languages. Nearly all of them could be extinct in the next two centuries.

Read the full story

Toward a three-in-one airport passenger and baggage security scanner

Scientists in California and Michigan report development toward a "universal point detection system," a long sought three-in-one machine that screens airline passengers and baggage for explosive, chemical and biological threats at the same time.

Read the full story

Cleft palate in fetal mice prevented by treating

Mice engineered to have cleft palates can be rescued in utero by injecting the mothers with a small molecule to correct the defect, say scientists at the Stanford University School of Medicine and Lucile Packard Children's Hospital. In addition to shedding light on the biology of cleft palate, the research raises hopes that it may one day be possible to prevent many types of human birth defects by using a similar vaccination-type technique in pregnant women likely to have affected fetuses.

Read the full story

Pitt professor contends biological underpinnings

Jeffrey H. Schwartz, University of Pittsburgh professor of anthropology in the School of Arts and Sciences, is working to debunk a major tenet of Darwinian evolution. Schwartz believes that evolutionary changes occur suddenly as opposed to the Darwinian model of evolution, which is characterized by gradual and constant change. Among other scientific observations, gaps in the fossil record could bolster Schwartz's theory because, for Schwartz, there is no "missing link."

Read the full story

Nanotechnology meets biology and DNA finds its groove

The object of fascination for most is the DNA molecule. But in solution, DNA, the genetic material that hold the detailed instructions for virtually all life, is a twisted knot, looking more like a battered ball of yarn than the famous double helix. To study it, scientists generally are forced to work with collections of molecules floating in solution, and there is no easy way to precisely single out individual molecules for study.

Read the full story

Plant-grazing fish boost resilience of coral reefs facing stress

By using cages to experimentally control the access of fish to coral reefs, researchers have assessed the role of fish "grazing" in the ability of reefs to successfully recover from potentially devastating coral-bleaching events related to rises in ocean temperatures. The findings, reported by a group led by Terry Hughes of James Cook University in Australia, will appear in Current Biology online on February 8th.

Read the full story

Development of artificial cells to fight disease

Carnegie Mellon University's Philip LeDuc predicts the use of artificially created cells could be a potential new therapeutic approach for treating diseases in an ever-changing world. LeDuc, an assistant professor of mechanical and biomedical engineering, penned an article for the January edition of Nature Nanotechnology Journal about the efficacy of using man-made cells to treat diseases without injecting drugs.

Read the full story