When does 'helicopter research' turn exploitative?

Jaguars could return to the US Southwest – but only if they have pathways to move north

Ganesh Marin, University of Arizona; John Koprowski, University of Wyoming

Keeping landscapes connected can help protect wild animals and plants. In the US Southwest, border wall construction is closing off corridors that jaguars and other at-risk species use.

Do poison pills work? A finance expert explains the anti-takeover tool that Twitter hopes will keep Elon Musk at bay

Tuugi Chuluun, Loyola University Maryland

Twitter adopted a so-called poison pill to make it much harder for Musk to take over the company.

Payment apps asking for specific tips before service annoy the heck out of users – but still generate bigger gratuities

Alei Fan, Purdue University

Delivery services and cafes commonly prompt customers to leave a specific tip – for example, 15%, 20%, 25% – at the point of sale rather than after completing the service.

An 11-year-old Prince spoke out in support of his striking Minneapolis teachers – a historian of the city’s music scene explains why

Rashad Shabazz, Arizona State University

Music education in Minneapolis public schools stood out as one of the best and gave rise to the city’s music scene that helped propel Prince to fame, a scholar writes.

Pandemic decision-making is difficult and exhausting – here’s the psychology that explains why

Elizabeth Tricomi, Rutgers University - Newark ; Wesley Ameden, Rutgers University - Newark

People tend to dislike uncertainty and risk – two things that are hard to avoid completely during a pandemic. That’s part of why it can feel especially draining to make even small decisions these days.

Pranks and propaganda: Russian laws against ‘fake news’ target Ukrainians and the opposition, not pro-Putin pranksters

Stanislav Budnitsky, Indiana University

Political phone pranksters played a big part in the passage of draconian laws that strangle free expression in Russia.

12 best ways to get cars out of cities – ranked by new research

How blending Inuit knowledge and western science has helped improve polar bear health — and why a trade ban would hurt

Russia-Ukraine conflict is driving up wheat prices: this could fuel instability in Sudan