'Tracking in Caves': On the trail of pre-historic man

In remote caves of the Pyrenees, lie precious remnants of the Ice Age undisturbed: foot and hand prints of prehistoric hunters. The tracks have remained untouched for millennia and are in excellent condition. Dr. Tilman Lenssen-Erz ...

Old protein, new function: tBID can directly trigger cell death

The protein tBID can trigger programmed cell death (apoptosis) by inducing damage in the energy suppliers of the cells, the mitochondria. Apoptosis is essential for maintaining tissue balance. In addition, apoptosis plays ...

New indicator for oxygen levels in early oceans developed

Oxygen is essential for the development of higher life. However, it was hardly present in the oceans of the young Earth. It was not until the evolution of photosynthetic bacteria that the oceans saw a significant increase ...

New switch decides between genome repair and death of cells

The genetic information of every cell is encoded in the sequence of the DNA double helix. Double strand breaks in the DNA, which can be induced by radiation, are a dangerous threat to the cells, and if not properly repaired ...

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