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Research by a team of chemists at the University of Toronto, led by Nobel Prize-winning researcher John Polanyi, is shedding new light on the behaviour of molecules as they collide and exchange atoms during chemical reaction. The discovery casts doubt on a 90-year old theoretical model of the behavior of the ''transition state'', intermediate between reagents and products in chemical reactions, opening a new area of research dubbed ''knock-on'' chemistry.

 E-Mail IMAGE: Human liver cell lines (green, with blue nuclei) infected with HBV express an HBV protein (in red) in this image captured by immunofluorescence microscopy. view more  Credit: Image by Stephanie Maya, Princeton University Researchers at Princeton have determined how five cellular proteins contribute to an essential step in the life cycle of hepatitis B virus (HBV). The article describing these findings appeared March 11, 2021 in the journal Nature Communications. Viruses have been with us, shaping our lives, societies and economies for millennia. While some viruses ra...

 E-Mail IMAGE: Co-authors dr. Arunlibertsen Lawzer i dr. Thomas Custer of research demonstrate the molecules of the astrochemical interest at the Planetarium of the Copernicus Science Centre. Source: IPC PAS, Grzegorz Krzyzewski... view more  Credit: © Institute of Physical Chemistry, Polish Academy of Sciences Looking at the night sky, one's thoughts might be drawn to astrochemistry. What molecules inhabit the vast spaces between the stars? Would we see the same molecules that surround us here on Earth? Or would some of them be more exotic--something rarely observed or even unknow...

Loading video... VIDEO: A 3D radiation magneto-hydrodynamic FLASH simulation of the experimental platform. The video shows a rendering of the magnetic field as a function of time, with grids and cylindrical shields shown... view more  Credit: University of Rochester/Laboratory for Laser Energetics The universe is filled with magnetic fields. Understanding how magnetic fields are generated and amplified in plasmas is essential to studying how large structures in the universe were formed and how energy is divided throughout the cosmos. An international collaboration, co-led by researcher...

 E-Mail Credit: Markus Rambach Researchers have struck quantum gold--and created a new word--by enlisting machine learning to efficiently navigate a 20-dimensional quantum treasure map. Physicist Dr Markus Rambach from the ARC Centre of Excellence for Engineered Quantum Systems (EQUS) at The University of Queensland said the team was able to find unknown quantum states more quickly and accurately, using a technique called self-guided tomography. The team also introduced the 'quvigint', which is like a qubit (the quantum version of a classical bit that takes on the values '0' or '1') except t...