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The Cool Down is mainstream America's guide to a cleaner, cooler future, making it easy for people from all walks of life to help themselves while helping the planet.
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- Sep 13, 2025earliest in window
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News
Lab study finds ultra-low THC dose kept breast cancer cells in a less aggressive state
1+ week, 3+ day ago (659+ words) Many cancer therapies are designed to eliminate rapidly dividing cells. Yet certain tumors seem able to endure by reverting to a more primitive, stem-cell-like condition. Because of that flexibility, researchers are exploring ways to keep cancer cells in a less…...
UK scientists use a 'gene gun' to grow pig protein in lettuce
4+ week, 1+ day ago (520+ words) Researchers got lettuce and tobacco to make myoglobin — a protein linked to many of meat's appealing traits. Future plant-based foods might capture more of meat's nutritional and flavor-building qualities while requiring fewer resources. Scientists in the U.K. and other countries…...
Vegan pregnancy diets may be no riskier at birth than unrestricted diets, new study suggests
4+ week, 2+ day ago (546+ words) The study suggests that the overall nutritional profile of a diet has the biggest effects. A recent pregnancy-nutrition study has stoked discussions about what healthy eating during pregnancy may mean. The study centered on the potential effects of vegan diets…...
Study from Australia points to a new way to fight infection by changing how mitochondria behave
1+ mon, 1+ week ago (467+ words) Researchers in Australia say mitochondria — the cell structures most often associated with making energy — may also help defend against infection by changing form in ways that help cells get rid of harmful bacteria. Over time, that insight could help guide…...
U.K. supermarket study finds plant-based items had twice the additives of animal-based foods
2+ mon, 1+ week ago (403+ words) Debate over plant-based foods in the United Kingdom now has a new point of comparison. In one supermarket study comparing similar products, the plant-based options were found to use far more additives than the animal-based versions. That does not mean…...
UK scientists discover protein that enables chemotherapy to target tumors and spare healthy cells
2+ mon, 2+ week ago (483+ words) A newly identified protein may eventually let chemotherapy hit tumors harder without causing as much damage to healthy cells. The finding is still early, but researchers say it points to a potential path for reducing some of cancer treatment's most…...
Scientists say restoring a fading protein helped older mice push back against frailty
3+ mon, 3+ week ago (382+ words) "I'm optimistic about where this research could lead." Getting older often comes with a set of bodily challenges like weaker muscles and more brittle bones. But now, University at Buffalo researchers say they may have identified how to restore a…...