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Mammalian cells with extra chromosomes share some common traits that could be exploited to develop cancer treatments, according to MIT biologists. Having too many chromosomes, a condition known as aneuploidy, wreaks havoc on an organism, usually resulting in birth defects or death. However, it seems to confer an advantage on tumor cells, which are nearly always aneuploid.

Two biologists at the University of California, San Diego have discovered the first of a new class of cellular motor proteins that "rewind" sections of the double-stranded DNA molecule that become unwound, like the tangled ribbons from a cassette tape, in "bubbles" that prevent critical genes from being expressed.

When it comes to the decision to wake up and grow, bacterial spores "listen in" to find out what their neighbors are doing and then they follow the crowd, according to a new report in the October 31st issue of the journal Cell, a Cell Press publication.

Researchers have revealed the complete mitochondrial genome of one of the world's most celebrated mummies, known as the Tyrolean Iceman or Otzi. The sequence represents the oldest complete DNA sequence of modern humans' mitochondria, according to the report published online on October 30th in Current Biology, a Cell Press publication.

Eureka project E!2962 Euroenviron Biosorb-Tox has succeeded in developing a water treatment system for industrial oil polluted water at a tenth of the cost of other commercially available tertiary treatments, leaving water so clean it can be pumped safely back out to sea without endangering flora or fauna.

New york (AP) -- Turning your clock back on Sunday may be good for your heart. Swedish researchers looked at 20 years of records and discovered that the number of heart attacks dipped on the Monday after clocks were set back an hour, possibly because people got an extra hour of sleep....

LOS ANGELES (AP) -- Ruben Navarro loved horror movies. He watched the "Nightmare on Elm Street" and "Friday the 13th" series with his mother, Rosa, and liked to visit Knott's Berry Farm when it was transformed every October to "Knott's Scary Farm."...

Access to these services can be challenging, and experts say simpler strategies must be found to address this problem more widely.

A third of the poorest children are reported to be in less than optimal health compared with 7% of children from the wealthiest families.

The alternative purchasing system for drugs given in the office had only about 4,200 physicians and one drug vendor sign on in three years.