26/05/2016

Top-down design brings new DNA structures to life

Among the valuable holdings in London's Wellcome Library is a rough pencil sketch made in 1953 by Francis Crick. The drawing is one of the first to show the double-helix structure of DNA—Nature's blueprint for the design ...

Targeting metals to fight pathogenic bacteria

Researchers at the Laboratory for Molecular Infection Medicine Sweden (MIMS) at Umeå University in Sweden participated in the discovery of a unique system of acquisition of essential metals in the pathogenic bacterium Staphylococcus ...

A critical inheritance from dad ensures healthy embryos

An important feature for life is what embryos receive from mom and dad upon fertilization. Oddly enough, centrioles, the structures responsible for cell division and flagella movement, are given by the paternal gamete. How ...

Scientists discover evidence of ice age at martian north pole

Using radar data collected by NASA's Mars Reconnaissance Orbiter, a Southwest Research Institute-led team found evidence of an ice age recorded in the polar deposits of Mars. Ice ages on Mars are driven by processes similar ...

NASA's GPM satellite sees potential Atlantic tropical cyclone

An area of low pressure designated as System 90L, located in the Atlantic Ocean between Bermuda and the Bahamas is being monitored today for possible development into a tropical or subtropical cyclone. The Global Precipitation ...

Study visualizes proteins involved in cancer cell metabolism

Scientists using a technology called cryo-EM (cryo-electron microscopy) have broken through a technological barrier in visualizing proteins with an approach that may have an impact on drug discovery and development. They ...

Cuing environmental responses in fungi

Fungi can sense environmental signals and react accordingly, changing their development, direction of growth, and metabolism. Sensory perception lies at the heart of adaptation to changing conditions, and helps fungi to improve ...

Facebook extends lead as news gateway: study

Facebook has become an important news source for close to half of American adults, a study showed Thursday amid increased scrutiny over the social network's gateway role.

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