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A tobacco hornworm caterpillar is exposed to vibrations in an anechoic chamber. Binghamton University, State University of New York

Caterpillar twitches in an ultraquiet chamber are helping biologists understand how these insects hear without ears

Scientists give caterpillars haircuts and put them in a room isolated from sound to figure out how they’re able to hear without ears.
President Donald Trump shows off a signed copy of his executive order at the Johnson Space Center in Houston, flanked by NASA Administrator Jared Isaacman, right, and Kevin Hassett, director of the National Economic Council. AP Photo/Karen Warren

Trump is proposing a US Space Academy – if created, it could blur the lines between NASA and the military

No, the US Space Academy wouldn’t be a real-life Starfleet Academy. But what it would be is still a little unclear.
Several space missions are searching for extraterrestrial life, which could come in the form of microbes. ClaudioVentrella/iStock via Getty Images Plus

Many space missions are searching for life beyond Earth – but are we prepared for the fallout if they succeed?

Historical events hold lessons about collaboration and competition in space that could inform how experts plan for the discovery of life beyond Earth.
Uncertainty is inherent in science, but communicating it effectively requires more than explaining how much error is present in graphs. Tom Werner/DigitalVision via Getty Images

Communicating uncertainty in research is hard, so we worked on how best to do it – here’s what you can watch out for

Uncertainty is part of the scientific process, and it’s not a bad thing – it’s where future discoveries can happen.
Part of the challenge of finding a biomarker for mental illness is the environment’s significant influence. rudall30/iStock via Getty Images Plus

I’m part of the team writing the next bible of psychiatry – for the first time, the DSM will use biology to understand mental disorders

Despite advances in neuroscience, the underlying biology of mental illness has remained elusive. The DSM-6 will attempt to integrate neurobiology into how clinicians diagnose and treat psychiatric conditions.
Making a pitcher of iced tea can be a physics experiment. invizbk/iStock via Getty Images Plus

How do ice cubes cool a drink?

Energy transfer is the secret ingredient that makes iced tea a particularly refreshing drink on a hot day.