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Water world

Fri, 17 Nov 17 00:13:30 -0800

Following the path of radicals and being able to identify many damaged residues because of incredibly accurate, expeditious and sensitive mass spectrometry, three scientists studied the great granddaddy of all photosynthetic organisms -- a strain of cyanobacteria -- to develop the first experimental map of that organism's water world.

Detailed view of immune proteins could lead to new pathogen-defense strategies

Thu, 16 Nov 17 00:01:40 -0800

Biologists at Berkeley Lab and UC Berkeley used cryo-EM to resolve the structure of a ring of proteins used by the immune system to summon support when under attack, providing new insight into potential strategies for protection from pathogens. The researchers captured the high-resolution image of a protein ring, called an inflammasome, as it was bound to flagellin, a protein from the whiplike tail used by bacteria to propel themselves forward.

Study finds consuming nuts strengthens brainwave function

Wed, 15 Nov 17 00:13:30 -0800

A new study by researchers at Loma Linda University Health has found that eating nuts on a regular basis strengthens brainwave frequencies associated with cognition, healing, learning, memory and other key brain functions.

Closest temperate world orbiting quiet star discovered

Wed, 15 Nov 17 00:14:50 -0800

A temperate Earth-sized planet has been discovered only 11 light-years from the solar system by a team using ESO's unique planet-hunting HARPS instrument. The new world has the designation Ross 128 b and is now the second-closest temperate planet to be detected after Proxima b. It is also the closest planet to be discovered orbiting an inactive red dwarf star, which may increase the likelihood that this planet could potentially sustain life.

NASA measures Haikui's remnant rainfall over southern Vietnam

Wed, 15 Nov 17 00:06:50 -0800

The Global Precipitation Measurement mission or GPM core satellite provided data on rainfall over Vietnam from the remnants of former Tropical Storm Haikui.

Contracting white dwarf observed for the first time

Tue, 14 Nov 17 00:10:50 -0800

Astrophysicists from MSU (Russia) and his colleagues from Italy and Russian Academy of Sciences have found the first observational evidence for a contracting white dwarf. Constant high spin-up rate of a star of this type, located in an enigmatic binary system, can be easily explained if the white dwarf is contracting, the researchers argue. The discovery is reported in the Monthly Notices of the Royal Astronomical Society.

Researchers fold a protein within a protein

Mon, 13 Nov 17 00:10:50 -0800

A research team led by a clinician scientist at the Yong Loo Lin School of Medicine, National University of Singapore, has demonstrated it is possible to fold a protein within an engineered protein shell. This is a fundamental breakthrough in synthetic biology with significant applications in the biologics and pharmaceutical sectors.

The anatomy of a cosmic snake reveals the structure of distant galaxies

Mon, 13 Nov 17 00:14:10 -0800

We have a fair understanding of star formation, from the interstellar matter to the diffuse clouds whose gravitational contraction gives birth to stars. But observations of distant galaxies have questioned this picture, the size and mass of these distant stellar nurseries exceeding that of their local counterparts. Astrophysicists from the universities of Geneva and Zurich have tackled this inconsistency and found the first answers thanks to the observation of the cosmic snake.

Hitomi mission glimpses cosmic 'recipe' for the nearby universe

Mon, 13 Nov 17 00:00:20 -0800

Thanks to an in-depth look into the composition of gas in the Perseus galaxy cluster, Japan's Hitomi mission has given scientists new insights into the stellar explosions that formed its chemical elements.