Wound alerts travel through plant cell junctions in a chain reaction of hydrogen peroxide bursts
Tiny channels between plant cells use hydrogen peroxide bursts to spread wound alerts, much like animals signal danger.
CLAY TRIBUNE / THE ARCHIVE
Tag: science
X-rays Reveal How Protons and Electrons Move Together in Nature’s Energy-Reaction
Scientists capture snapshots of a chemical reaction linking electrons, protons and water, revealing nature's energy-moving efficiency.
Protein That Bonds Cells Also Helps Them Swallow Dead Neighbors, Study Finds
A protein that binds cells together also helps them swallow dead ones, a surprising second job revealed in a new study.
How a reporter’s body changed after 16 weeks of daily marathon training
A reporter gets scanned, tested and pushed to her limit to answer one question: is marathon training good for your body?
Just Short of Its 200th Birthday, Philadelphia’s Academy of Natural Sciences Shuts Down
A landmark natural history museum shuts down, just short of its 200th birthday. Can Philadelphia save it?
Two papers argue losing a cell’s sense of self is the engine behind human aging
Two papers propose aging stems from cells losing their identity rather than accumulating damage, a fresh model for understanding senescence.
New Atomic Clock Sets Record for Precision, Putting the Second Itself Up for Rethinking
A clock of lutetium, so precise as to redefine the second itself, is unveiled by physicists, beating the old standard by 41%.
Two New Giant Stick Insect Species Discovered in Australia
A giant stick insect fooled scientists for decades before its true identity emerged, revealing hidden biodiversity.
Anthropic Claims Its AI Model Found a Protein System That Functions Like Crispr
Anthropic claims its AI found a Crispr-like system in viral DNA. Scientists greet the announcement with skepticism.
OpenAI Keeps Bulldozing Mathematicians
OpenAI's clumsy announcement of its new math advisory group has left mathematicians questioning its independence.
The Universe May Be Finite — But the Shape of That Could Be Unimaginably Strange
The universe may be flat, yet vast beyond measure. Herein we ponder whether it wraps around upon itself, or ends not at all.
$80 Motel Room Study Suggests How Simple Chemical Reactions May Have Given Rise to Life
A biologist finds a lab in a $80 motel room where he discovers two new species of a rare organism that sheds light on the origins of life.