Archive: 08/2/2007

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 ...

Aug 02, 2007 4.9 / 5 (8) 0

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 ...

Aug 02, 2007 4.5 / 5 (4) 0

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 ...

Aug 02, 2007 3.8 / 5 (9) 0

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.

Aug 02, 2007 4.7 / 5 (56) 0 feature