Archive: 2/08/2007

Immunity in social amoeba suggests ancient beginnings

Finding an immune system in the social amoeba (Dictyostelium discoideum) is not only surprising but it also may prove a clue as to what is necessary for an organism to become multicellular, said the Baylor College of Medicine ...

dateAug 02, 2007 in
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Unlocking proteins from their cellular shell

Applying physical stress to cells, researchers at the University of Pennsylvania have demonstrated that everyday forces can alter the structure of proteins tucked within cells, unfold them and expose new targets in the fight ...

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Mythical Monster Hydra in the Petri Dish

In a story from Greek mythology, Hercules defeats the many-headed Hydra living in water. The story appears magical – monsters with several heads do not exist. Scientists from the Animal Ecology and Cell Biology Institute ...

dateAug 02, 2007 in
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Discredited Korean embryonic stem cells' true origins revealed

A report from researchers at Children's Hospital Boston and the Harvard Stem Cell Institute sheds new light on a now-discredited Korean embryonic stem cell line, setting the historical record straight and also establishing ...

dateAug 02, 2007 in
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Tunneling Electrons Do Math

Using a novel computing paradigm involving counting single electrons, computer engineers have designed nano-sized circuitry that allows tunneling electrons to perform mathematical division calculations.

dateAug 02, 2007 in General Physics feature
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