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Analytical Chemistry 20 hours ago

New technology provides electrifying insights into how catalysts work at the atomic level

A team led by Lawrence Berkeley National Laboratory (Berkeley Lab) has invented a technique to study electrochemical processes at the atomic level with unprecedented resolution and used it to gain new insights into a popular ...

Earth Sciences 20 hours ago

When in drought: Researchers map which parts of the Amazon are most vulnerable to climate change

In the late 2000s, Scott Saleska noticed something strange going on in the Amazon rainforest. In 2005, a massive drought struck the region. Two years later, Saleska—a University of Arizona professor in the Department of ...

Bio & Medicine 20 hours ago

Researchers fabricate eco-friendly pesticide delivery system

A research team led by Prof. Wu Zhengyan and Zhang Jia from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has developed a new environmentally friendly way to deliver pesticides using porous microspheres ...

Biochemistry 20 hours ago

Study reveals molecular mechanisms of somatostatin receptor 5 activation by neuropeptides and drugs

Somatostatin receptors (SSTRs) constitute a crucial family of G protein-coupled receptors (GPCRs) that play pivotal roles in regulating hormone secretion and inhibiting tumor growth.

Analytical Chemistry 20 hours ago

Study reveals mechanisms of crystal nucleation in glass-ceramics

A research team consisting of NIMS, AGC Inc., and JASRI has observed partial crystallization of a glass—an initial stage in its transformation into a stronger, more heat resistant glass-ceramic. The study is published in ...

Mathematics 21 hours ago

Study finds cooperation can still evolve even with limited payoff memory

Direct reciprocity facilitates cooperation in repeated social interactions. Traditional models suggest that individuals learn to adopt conditionally cooperative strategies if they have multiple encounters with their partner. ...

Biochemistry 21 hours ago

Researchers propose a new way for signal-amplification of chemosensors by flexibly manipulating an allosteric trigger

Chemical sensors whose signals can be amplified by various triggers hold huge potential in multidisciplinary sciences. However, developing such systems was considered a highly challenging task, until a team of researchers ...

Astronomy 19 hours ago

NASA releases Hubble image taken in new pointing mode

NASA's Hubble Space Telescope has taken its first new images since changing to an alternate operating mode that uses one gyro.

Agriculture 19 hours ago

Study reveals stable soil moisture variability within fields, opens door for satellite remote sensing

A multi-institutional study led by University of Illinois and Agroecosystem Sustainability Center (ASC) scientists concluded that, although soil moisture varies significantly both within a single field and from field to field ...

Social Sciences 19 hours ago

Many sports are tightening transgender policies. Can inclusion co-exist with fairness, physical safety and integrity?

The inclusion of trans women athletes—women who were assigned male at birth—is one of the most controversial issues in world sports.

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