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Brain-computer interfaces have the potential to transform some people’s lives, but they raise a host of ethical issues, too. Andriy Onufriyenko/Moment via Getty Images

Several companies are testing brain implants – why is there so much attention swirling around Neuralink? Two professors unpack the ethical issues

Brain-computer interface devices have the potential to boost users’ autonomy, especially for people who experience paralysis. But that comes with risks, as well.
Limbless robots may not need lots of complex algorithms when they have mechanical intelligence. Tianyu Wang

We designed wormlike, limbless robots that navigate obstacle courses − they could be used for search and rescue one day

Robots often have a hard time navigating through debris, but robots designed based on worms and snakes could move around obstacles faster, thanks to an idea called mechanical intelligence.
Demonstrators march on Jan. 1, 1934, in Washington against the unjust trials of nine Black men falsely accused of raping two white women. Bettmann/Getty Images

Back in the day, being woke meant being smart

Conservative politicians have launched attacks against the use of the word “woke.” If they knew the history of the word, they might stop wasting their time.
House Majority Leader Steve Scalise (R-LA), right, leaves the U.S. Capitol after the House voted to impeach Homeland Security Secretary Alejandro Mayorkas on February 13, 2024 in Washington, DC. Chip Somodevilla/Getty Images

Mayorkas impeached: Is Congress on a witch hunt? 5 ways to judge whether oversight is legitimate or politicized

With its impeachment of Homeland Security Secretary Alejandro Mayorkas, the House exercised its oversight power. How can you tell if it was a legitimate use of that power?
Massive gains in productivity haven’t led to more time free from work. J Studios/DigitalVision via Getty Images

Why is free time still so elusive?

In 1930, economist John Maynard Keynes famously predicted that within a century, the normal workweek would decrease to 15 hours. Why was he wrong?
Protesters in El Salvador declare ‘Yes to democracy. No to authoritarianism’ during a demonstration on Jan. 14, 2024. PHOTOGRAFIA/Getty Images

In the face of severe challenges, democracy is under stress – but still supported – across Latin America and the Caribbean

A survey of people across 24 countries in Latin America and the Caribbean found widespread concern over the economy and crime.
Effective collaboration requires addressing hierarchical mindsets. Maryna Terletska/Moment via Getty Images

Global health research suffers from a power imbalance − decolonizing mentorship can help level the playing field

Though the Global South tends to experience higher disease burdens, most public health decisions and knowledge generation are centered in the Global North.