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A lawsuit filed on April 12 alleges that Tesla CEO Elon Musk illegally delayed disclosing his stake in Twitter so he could buy more shares at lower prices. (AP Photo/Susan Walsh, File)

If Elon Musk succeeds in his Twitter takeover, it would restrict, rather than promote, free speech

Elon Musk’s attempt to take over Twitter uses free speech as the motivation, but research shows that unregulated online spaces result in increased harassment for marginalized users.
Climate change stresses plants, forcing them to turn off the cellular machinery that helps them grow. (Shutterstock)

How climate change stresses plants and alters their growth

The climate crisis makes it important to investigate and understand the mechanisms of plant growth if we are to keep agricultural crops sustainable.
Three women displaced by the Russian invasion of Ukraine check their mobile phones at a refugee centre in Hungary. (AP Photo/Darko Vojinovic)

The Russian invasion shows how digital technologies have become involved in all aspects of war

Internet infrastructure disruption, targeted cyberattacks and the manipulation of disinformation during the Russian invasion of Ukraine all show that warfare now includes cyberwar strategies.
Preclinical research — the kind that takes place before testing on humans — often guides decisions about which potential treatments should continue to clinical trials. But attempts to replicate 50 studies found the odds of getting the same results were only about 50-50. (Pexels/Artem Podrez)

Major study shows the need to improve how scientists approach early-stage cancer research

Preclinical studies are an important part of biomedical research, often guiding future trials in humans. Failure to replicate research results suggests a need to increase the quality of studies.
FishSounds is an online database of recordings of the noises created by fish, like this Bocon toadfish. (Shutterstock)

Grunts, boops, chatters and squeals — fish are noisy creatures

Growing research shows that fish produce sounds that other creatures listen to to find food and avoid becoming prey. A new database compiles research on these fish sounds.