Isotopes of elements are like siblings. They have the same number of protons and electrons but a different number of neutrons than the primary form of the element. This difference in neutrons doesn't affect their chemical ...
Ecology
Jul 18, 2023
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For approximately 3,000 years, generations of green sea turtles have returned to the same seagrass meadows to eat.
Ecology
Jul 17, 2023
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A freight train carrying industrial chemicals derailed near East Palestine, Ohio, in February 2023, and to avoid explosions, authorities conducted a controlled release and burned the cars' contents. Residents were worried ...
Environment
Jul 13, 2023
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Fatty acids are the molecular building blocks that form the lipids essential for life. While some lipids form cell membranes, others are present naturally as triglycerides in body fat and the waxes on our hair and skin.
Biochemistry
Jul 7, 2023
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The Rosetta orbiter spectrometer for ion and neutral analysis (ROSINA) instrument orbited comet 67P to revolutionize our understanding of cometary material composition. A key finding of the satellite was to explore the composition ...
The universe is awash in billions of possible chemicals. But even with a bevy of high-tech instruments, scientists have determined the chemical structures of just a small fraction of those compounds, maybe 1%.
Analytical Chemistry
Jun 27, 2023
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884
Chitvan Killawala and Umer Bakali want to help protect firefighters from a potential threat. Their strategy to do so does not involve creating a better forcible-entry axe or a thicker face shield, but relies instead on deploying ...
Analytical Chemistry
Jun 21, 2023
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The composition of blood stains changes over the course of weeks and months. Forensic medicine hopes to make use of this fact in future to convict suspects—or to prove their innocence.
Analytical Chemistry
May 31, 2023
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Exhaust fumes probably come to mind when considering vehicle emissions, but they aren't the only source of pollutants released by a daily commute. In a recent Environmental Science & Technology study, researchers report that ...
Environment
May 30, 2023
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107
Scientists studying the most venomous spider in the world have found the venom of some varies depending on circumstances—which could provide insights into how they could be of use for human health.
Plants & Animals
May 29, 2023
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