essential
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Biology
Studies show that the sperm heat-activated switch is essential for fertility
Credit: Pixabay/CC0 Public Domain In mammals, including our humans, spam is surprisingly loud about temperatures and thrives most when it is a few degrees cooler than normal body temperature. However, given that the female genital tract is warmer than normal body temperature, how can these heat-sensitive swimmers fertilize eggs in such a toast environment? A study from Washington University School…
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Chemistry
Changing essential oils increases the emulsification efficiency and antibacterial properties of clove oil
This study revealed how waste from clove oil can be converted to a powerful antibacterial emulsifier. Credit: Jungkang from Donggukku University Clove essential oils are promising antibacterial substances. In a recent study, researchers at the University of Tokyo explore sustainable ways to create carbon quantum dots (CQDs) from the clove residue left after extracting essential oils. These CQDs were tested…
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Biology
Why community volunteers are essential to how New Zealand deals with the arrival of bird flu
Aotearoa New Zealand, Australia and Pacific Island countries are the only countries free of highly pathogenic avian influenza. The deadly avian influenza virus was first detected in the Southern Hemisphere in 2023 and has spread through South America to sub-Antarctic islands and the Antarctic Peninsula. The virus is decimating wild bird populations around the world, with millions of dead birds…
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Other Sciences
Nobel Prize in Economics: How colonial history explains why strong institutions are essential to a nation’s prosperity
Credit: Pixabay/CC0 Public Domain This year’s Nobel Memorial Prize in Economics went to Daron Acemoglu and Simon Johnson of the Massachusetts Institute of Technology and James Robinson of the University of Chicago for their research into why there are such wide differences in prosperity between nations. In announcing the award, Jacob Svensson, chairman of the Economics Prize Committee, said: “Closing…
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Chemistry
Glowing proteins enable real-time 3D studies of essential enzymes
Graphical summary. Credit: Nature Chemical Biology (2024). DOI: 10.1038/s41589-024-01758-3 Researchers at the University of California, San Diego School of Medicine have developed a new tool to use organoid models to study the protein kinase C (PKC) enzyme, which plays a critical role in cell growth, differentiation, and survival. Dysfunction of these proteins has been linked to many human diseases, including…
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