RSS feed source: USGS Earthquake Hazards Program
Time2025-07-18 13:27:21 UTC2025-07-18 13:27:21 UTC at epicenterLocation13.207°S 166.831°EDepth188.55 km (117.16 mi)
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Author: WeWorldMedia-admin
RSS feed source: USGS Earthquake Hazards Program
Researchers supported by the U.S. National Science Foundation have discovered that it is not how much of a key molecule that allows axolotls to regenerate limbs properly, it is how little. This new knowledge moves researchers closer to enabling tissue repair and, possibly, limb regeneration in humans.
“Axolotls are a species of salamander that have the ability to regrow limbs and repair organ tissue,” said Anna Allen, a program officer in the NSF Directorate for Biological Sciences. “Based on previous work, researchers knew that a particular molecule told cells to start the process of regrowth but how cells knew where they were along a limb and, therefore, what structure to build in that location remained a mystery.”
The new work, led by James Monaghan, a professor of biology and director of the Institute for Chemical Imaging of Living Systems at Northeastern University, shows that the key is how that critical molecule, retinoic acid, degrades. An enzyme whose only job is to destroy retinoic acid is extremely prevalent at the far end of the limb (the wrist) but much less prevalent at the shoulder, meaning the reverse for retinoic acid. It is this decreasing amount of retinoic acid that allows the cells to know if they are at the shoulder, mid-limb, or wrist.
Building on their findings, the researchers used CRISPR technology to turn off certain
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RSS feed source: USGS Earthquake Hazards Program
From 18/07/2025 to 18/07/2025, a Tropical Storm (maximum wind speed of 102 km/h) WIPHA-25 was active in NWPacific. The cyclone affects these countries: Philippines, Taiwan, China, Viet Nam, Laos (vulnerability High). Estimated population affected by category 1 (120 km/h) wind speeds or higher is 0 (178.404 million in tropical storm).
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RSS feed source: USGS Earthquake Hazards Program
Job ID: 259955
Postdoctoral Researcher Position in Microfluidic Electrochemical Platforms
Vanderbilt University <!– ATTACHED PICTURES: –>
Postdoctoral Researcher Position in Microfluidic Electrochemical Platforms
Department of Mechanical Engineering, Vanderbilt University
Nashville, Tennessee, USA
Position Description
The Department of Mechanical Engineering at Vanderbilt University invites applications for a Postdoctoral Scholar position in the area of microfluidic platforms for studying electrochemical processes. This position is part of a multidisciplinary effort to develop innovative microfluidic platforms that enhance the performance and mechanistic understanding of electrochemical systems, including those for energy storage, desalination, and resource extraction. The successful candidate will work closely with faculty and graduate researchers in a collaborative research environment that
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