Human cells exhibit foraging behavior like amoebae and bacteria
When cells move about in the body, they follow a complex pattern similar to that which amoebae and bacteria use when searching for food, researchers have found.
March 13th, 2010
Plants discover the benefits of good neighbors in strategy against herbivores
Scandinavian scientists have discovered that a species of tree defends itself from herbivore attack by using chemicals emitted by neighboring plants. The study reveals how species of Birch tree absorb chemical compounds from neighboring Marsh tea plants, Rhondodendron tomentosum, in a unique "defense by neighbor strategy."
March 13th, 2010
Genome analysis of marine microbe reveals a metabolic minimalist
Flightless birds, blind cave shrimp, and other oddities suggest a "use it or lose it" tendency in evolution. In the microbial world, an unusual marine microorganism appears to have ditched several major metabolic pathways, leaving it with a remarkably reduced set of genes.
March 13th, 2010
Genetic mapping of algae biofuel species groundwork done
Using green algae to produce hydrocarbon oil for biofuel production is nothing new; nature has been doing so for hundreds of millions of years, according a scientists.
March 13th, 2010
Phylogenetic analysis of Mexican cave scorpions suggests adaptation to caves is reversable
Blind scorpions that live in the stygian depths of caves are throwing light on a long-held assumption that specialized adaptations are irreversible evolutionary dead-ends. According to a new phylogenetic analysis of the family Typhlochactidae, scorpions currently living closer to the surface (under stones and in leaf litter) evolved independently on more than one occasion from ancestors adapted to life further below the surface (in caves). The research, currently available in an early online edition, will be published in the April issue of Cladistics.
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