Trump immunity case: 'at a crux in history'

Under the influence and under arrest − what happens if you’re drunk in the interrogation room?

Jacqueline R. Evans, Florida International University

Legal psychology researchers are investigating how police treat drunken suspects, how impaired people behave when questioned, and how juries consider their statements.

Cybersecurity researchers spotlight a new ransomware threat – be careful where you upload files

Selcuk Uluagac, Florida International University

Modern web browsers are increasingly becoming like virtual computers, able to send email and play music and videos. The downside is it’s a new way for hackers to get into your computer.

Philadelphia has a lot more deadly shootings than expected for a big city − and NYC is much safer, new study says

Rayan Succar, New York University; Maurizio Porfiri, New York University

Philadelphia has a high rate of gun homicides despite having relatively few gun owners and gun stores compared with other US cities.

Trump trial reveals details about how the former president thinks about, and exploits, the media

Karrin Vasby Anderson, Colorado State University; Tim Bakken, United States Military Academy West Point

Courtroom dramas are drawing attention to a broader subject: Donald Trump's approach to the media.

A coral-bleaching event is devastating reefs globally − threatening tiny creatures whose beauty and biology have shaped human cultures for centuries

Michele Currie Navakas, Miami University

Coral has been incorporated into traditions, art and even religion in communities around the world.

Trust in the shadows: How loyalty fuels illicit economic transactions

Oliver Schilke, University of Arizona

If you want to get involved in shady business, find someone who’s loyal − but not ethical.

How bird flu virus fragments get into milk sold in stores, and what the spread of H5N1 in cows means for the dairy industry and milk drinkers

Noelia Silva del Rio, University of California, Davis; Richard V. Pereira, University of California, Davis; Robert B. Moeller, University of California, Davis; Terry W. Lehenbauer, University of California, Davis; Todd Cornish, University of California, Davis

Five livestock experts who study infectious diseases in the dairy industry explain the risks as the FDA announces that about 20% of milk sampled so far from stores across the US tested positive.

US drugs regulator gives LSD ‘breakthrough’ status for treating anxiety – why this is so significant

Colin Davidson, University of Central Lancashire

Having long been considered to have ‘no accepted medical use’, psychedelics are finally being recognised as being beneficial for treating a range of mental health disorders.

When the Supreme Court said it’s important to move quickly in key presidential cases like Trump’s immunity claim

Nearsightedness is at epidemic levels – and the problem begins in childhood

Billions of cicadas are about to emerge from underground in a rare double-brood convergence

The Conversation U.S. weekly news quiz

Joel Abrams, The Conversation

Here’s the first question of this week’s edition:

If everyone on Earth got in the ocean and submerged themselves underwater at the same time, about how much would the world's sea level rise?

1. A. The width of a human hair
2. B. The diameter of a baseball
3. C. The height of Herbert Hoover
4. D. The height of the Empire State Building

Test your knowledge