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For some, promoting cryptocurrencies is political activism. Vasil Dimitrov/E+ via Getty Images

Behind the crypto hype is an ideology of social change

Many people promoting cryptocurrencies are looking for something bigger than the future of financial transactions. They’re aiming to break free of governments and corporations.
As the population of American Indian and Alaska Native adults ages, the risk for Alzheimer’s disease and other dementias – along with various chronic conditions – goes up. grandriver/E+ via Getty Images

Much of the cost of dementia care in aging Native American adults is due to hospitalization

A clearer understanding of the true treatment costs of dementia for American Indian and Alaska Native adults could help health services better meet the needs of the populations they serve.
Different types of data can influence how parents select schools for their children. Viktorcvetkovic/E+ via Getty Images

A new way to pick the best school for your child

An education researcher explains how most school rating websites lack a key piece of information about school performance.
The brain responds differently to natural touch on a finger versus a direct electrical stimulation. Sebastian Kaulitzki/Science Photo Library

Restoring touch through electrodes implanted in the human brain will require engineering around a sensory lag

When designing neuroprosthetic devices for users to control with their thoughts, engineers must take into account the sensory information brains collect from the environment and how it gets processed.
Activists participate in a march urging Congress to pass voting rights legislation in Washington, D.C., on Aug. 28, 2021. Tom Williams/CQ-Roll Call, Inc via Getty Images

Black Lives Matter protests are shaping how people understand racial inequality

The Black Lives Matter movement is having a lasting impact on the racial reckoning in the US that was triggered after the murder of George Floyd by a white police officer in 2020.
The ocean retains heat for much longer than land does. Aliraza Khatri's Photography via Getty Images

How fast can we stop Earth from warming?

If fossil fuel burning stopped, emerging research suggests air temperatures could level off sooner than expected. But that doesn’t mean the damage stops.