Biology news

Science casts light on sex in the orchard

Persimmons are among the small club of plants with separate sexes—individual trees are either male or female. Now scientists at the University of California, Davis, and Kyoto University in Japan have discovered ...

Oct 30, 2014
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Identifying the source of stem cells

When most animals begin life, cells immediately begin accepting assignments to become a head, tail or a vital organ. However, mammals, including humans, are special. The cells of mammalian embryos get to ...

Oct 30, 2014
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Scientists resurrect 700-year-old viruses

(Phys.org) —Eric Delwart of the Blood Systems Research Institute in San Francisco and colleagues have found two 700-year-old viral sequences in frozen caribou dung in an arctic ice patch. The researchers ...

Oct 28, 2014 report
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Researchers uncover tomato's genetic history

Two years after the sequencing of the genome of one variety of tomato, scientists have sequenced the genomes of 360 tomato varieties. By analyzing the relationships among these genomes, Sanwen Huang of the ...

Oct 14, 2014 report
3.9 / 5 (18) 2