Earth
Tiny tremors can’t always warn when fracking will trigger a bigger quake
A study of 70,000 earthquakes finds tiny tremors often precede larger fracking-linked quakes, offering a warning to halt fluid injection.
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Delivering oxygen under pressure: the engineering behind HPO.TECH hyperbaric chamber breathing systems and the BIBS mask
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Motor neurons don’t just move muscles. They may direct that motion too
A fruit fly study shows motor neurons do more than relay commands: They send signals back to the brain and organize movement sequences.
