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Social Sciences Jan 9, 2024

Freedom of thought is threatened by states, big tech and even ourselves. What we can do to protect it

The idea of free speech sparked into life 2,500 years ago in Ancient Greece—in part because it served a politician's interests. The ability to speak freely was seen as essential for the new Athenian democracy, which the ...

Bio & Medicine Jan 8, 2024

Tumor microenvironment-activated nanostructure enables precise multi-modal therapy

Recently, a research team led by Prof. Wu Zhengyan from Hefei Institutes of Physical Science, Chinese Academy of Sciences, in collaboration Binzhou Medical University, successfully designed a nanostructure that improves the ...

Other Dec 25, 2023

A whiff of tears reduces male aggression, says study

Watching someone cry often evokes an emotional response—but according to a new study published Thursday, human tears themselves contain a chemical signal that reduces brain activity linked to aggression.

Analytical Chemistry Dec 20, 2023

Ultra-small, shape-shifting GEMS offer an easier and cheaper way to improve MRI imaging

Microscopic magnetic probes that change shape in response to their environment may greatly enhance magnetic resonance imaging (MRI). However, producing the probes, which are still experimental and have not yet been used in ...

Molecular & Computational biology Dec 20, 2023

Advanced 3D imaging techniques boost understanding of root systems for food security

The increasing frequency of extreme weather events and global population growth present challenges to food security, emphasizing the need for resilient and high-yielding crops. Central to this challenge is understanding Root ...

Plants & Animals Dec 19, 2023

Can we decode the language of our primate cousins?

A UNIGE team shows that the human brain is capable of identifying the vocalizations of certain primate species, if they are close to us and if the frequencies used are also close to our own.

Social Sciences Dec 18, 2023

Barbie should expand her range of medical and scientific professions, suggests study

Barbie should consider expanding her medical and scientific careers into areas where women and other under-represented groups remain a minority, suggests a study published in the Christmas issue of The BMJ.

General Physics Dec 6, 2023

A novel microscope operates on the quantum state of single electrons

Physicists at the University of Regensburg have found a way to manipulate the quantum state of individual electrons using a microscope with atomic resolution. The results of the study have now been published in the journal ...

Bio & Medicine Dec 4, 2023

Breakthroughs in nanosized contrast agents and drug carriers through self-folding molecules

Self-folding polymers containing gadolinium forming nanosized complexes could be the key to enhanced magnetic resonance imaging and next-generation drug delivery, as demonstrated by scientists at Tokyo Tech. Thanks to their ...

Polymers Nov 24, 2023

Researchers develop biodegradable polymers that are traceable without toxic contrast agents

Polyphosphoesters, molecules containing phosphorus as the central element, are easily traceable without the need for contrast agents, thanks to developments by researchers from the University of Twente (UT). Normally, these ...

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