13/07/2016

Image: Far-out Proba-3

ESA's double-satellite Proba-3 mission will be flying where no previous member of the Proba minisatellite family has gone before – up to 60 000 km away, a seventh of the way to the Moon.

Replication of enzyme-nucleotide chimeras

DNA polymerases are the "Xerox machines" that replicate our DNA. They must work with great precision to keep errors from creeping into our genes. In spite of this precision, they still accept building blocks that have been ...

'Freeform Classroom' could counter engineering's sophomore slump

New research aims to measure the effectiveness of a teaching approach that allows students in challenging engineering courses to access hundreds of instructional videos and animations while encouraging interaction with each ...

High-resolution imaging reveals the secrets of a bacterial toxin

Many bacteria use specialized toxins to attack and infect other cells. Scientists at EPFL and the University of Bern have now modeled a major such toxin with unprecedented resolution, uncovering the way it works step-by-step.

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