Columbus hatch closed for last time

Preparations of the European Columbus laboratory took an important step earlier this week with the final closure of the module’s hatch ahead of the December launch to the International Space Station.

Glue inside the cell

The acquired immune response is triggered after specific engagement of foreign peptides (antigens) by receptor molecules on white blood cell (lymphocytes). Cellular signaling pathways are responsible for the activation of ...

Birth of an iceberg

New images, acquired by Envisat’s Advanced Synthetic Aperture Radar (ASAR) instrument, show the breaking away of a giant iceberg from the Pine Island Glacier in West Antarctica. Spanning 34 km in length by 20 km in width, ...

New Technologies That May Save Lives

As part of the M-Taiwan project, NEC and Tatung will demonstrate life saving technologies at the WiMax Forum next week. The forum will display the efforts of NEC in providing ambulance to hospital large file transmissions ...

Combining solid-state physics with quantum optics

One of the more interesting advances in science is the use of the atom chip. As the demands of technology require smaller and smaller components, studying the fundamentals of physics at the quantum level will become increasingly ...

Killifish can adapt to life in a tree

Biologists in Belize and Florida have discovered that the mangrove killifish lives in trees when the water they usually live in has disappeared.

Transgenics transformed

A new method of constructing artificial plant chromosomes from small rings of naturally occurring plant DNA can be used to transport multiple genes at once into embryonic plants where they are expressed, duplicated as plant ...

Brightness and darkness as perceptual dimensions

A common-sense assumption concerning visual perception states that brightness and darkness cannot coexist at a given spatial location. One corollary of this assumption is that achromatic colors, or perceived grey shades, ...

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