Resistance training is cardiovascular medicine for postmenopausal women. It reduces resting heart rate, blood pressure, and even improves measures of artery stiffness and endothelial function in women aged 52-78. Reminder that it's not just aerobic exercise that's good for the heart!

Resisting Regime Change in Cuba The Cuban people have vowed to resist a new U.S. invasion, writes Marjorie Cohn. Cuban President Miguel Diaz-Canel said the nation is a “free sovereign state” with the right to “self-determination,” and not “subject to the designs” of the U.S.

Tungsten resistance spikes at 2 nanometers. @Applied4Tech built Spectral Moly ALD to replace it with molybdenum, cutting resistance roughly 15%. Mukund Srinivasan told @PatrickMoorhead at the Six Five Summit why the next gains in AI efficiency start at the materials layer. $AMAT

Heat-resistant basketball courts. Protection against the next flood. Neighbors learning to compost block by block. Today, 300 local governments are calling on young residents to lead the next generation of climate action in their communities—and backing the boldest ideas with funding and city hall support from start to finish. That’s the Youth Climate Action Fund, a model already proven by 98 municipalities and more than 300,000 young people. Now, a new wave of mayors is putting those lessons to work and pushing progress even further.