Research Preview: Nature Magazine – May 18, 2023

Volume 617 Issue 7961

nature Magazine – May 18, 2023 issue: The cover shows an artist’s impression of two male mammoths fighting. During episodes of musth, adult male elephants undergo periods of elevated testosterone levels associated with aggression and competition for mating. In this week’s issue, Michael Cherney and his colleagues show that male woolly mammoths (Mammuthus primigenius) experienced similar episodes of musth. 

The ocean is hotter than ever: what happens next?

Record temperature combined with an anticipated El Niño could devastate marine life and increase the chances of extreme weather.

Split level of shallow bleaching corals and island, New Ireland, Papua New Guinea, June 2010

The global ocean hit a new record temperature of 21.1 ºC in early April, 0.1 ºC higher than the last record in March 2016. Although striking, the figure (see ‘How the ocean is warming’) is in line with the ocean warming anticipated from climate change. What is remarkable is its occurrence ahead of — rather than during — the El Niño climate event that is expected to bring warmer, wetter weather to the eastern Pacific region later this year.

For chemists, the AI revolution has yet to happen

Machine-learning systems in chemistry need accurate and accessible training data. Until they get it, they won’t achieve their potential.

Cancer protein. Computer model of the enzyme protein tyrosine kinase, which is involved in cancer cell formation.

Many people are expressing fears that artificial intelligence (AI) has gone too far — or risks doing so. Take Geoffrey Hinton, a prominent figure in AI, who recently resigned from his position at Google, citing the desire to speak out about the technology’s potential risks to society and human well-being.


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