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Scientists announce in the current issue of the journal Nature their discovery that plants respond to environmental stresses with a sequence of molecular signals known in humans and other mammals as the “G-protein signaling pathway,” revealing that this signaling strategy has long been conserved throughout evolution. Because a large percentage of all the drugs approved for use in humans target the G-protein signaling pathway, the team’s findings could also be used in the search for plant compounds t

NASA-funded project to search for underground water on Mars

University of Iowa professor and space physicist Don Gurnett is hoping to receive an uplifting word from western Asia on Monday.

That’s because Gurnett heads a $7 million, NASA-funded project to search for underground water on Mars, a project whose radar instrument is aboard the European Space Agency’s (ESA) Mars Express spacecraft using a Soyuz rocket and scheduled for launch at 12:45 p.m. CDT Monday, June

Discovery may help design effective therapies for the genetic disease that mainly affects Ashkenazi Jews

An interdisciplinary team of Weizmann Institute scientists has solved the three-dimensional structure of an enzyme called glucocerebrosidase. Mutations occurring in this enzyme cause Gaucher disease, a genetic illness that mainly affects Ashkenazi Jews. The Institute study, published recently in EMBO Reports, may lead to the design of effective new therapies for treating the disea

Inflation’s got nothing to do with it. Since the beginning of time, a picture has always been worth more than a thousand words. But in this age of information proliferation, that reality is the taproot of a vexing problem that Zhongfei “Mark” Zhang, an assistant professor of computer science at Binghamton University, is determined to help solve.

From personal and commercial digital image libraries and multimedia databases to data mining programs and high-tech security and defense survei

If an asteroid crashes into the Earth, it is likely to splash down somewhere in the oceans that cover 70 percent of the planet’s surface. Huge tsunami waves, spreading out from the impact site like the ripples from a rock tossed into a pond, would inundate heavily populated coastal areas. A computer simulation of an asteroid impact tsunami developed by scientists at the University of California, Santa Cruz, shows waves as high as 400 feet sweeping onto the Atlantic Coast of the United States.

Researchers at Oregon Health & Science University this week announced preliminary study results showing smallpox vaccine protection lasts longer than previously thought. Until now, it was widely accepted that smallpox vaccine protection lasted approximately three to five years. However, early study data shows that significant, partial protection may last many decades after inoculation.

“More than 90 percent of Americans older than 35 have already been vaccinated against smallpox. This trans