Are boldness and belligerence related?

Nature, Published online: 21 July 2026; doi:10.1038/d41586-026-02103-5Different types of aggression in stickleback fish, and a pillar of light seen at sunset, in this week’s pick from the Nature archive.

Nature, Published online: 21 July 2026; doi:10.1038/d41586-026-02103-5

Different types of aggression in stickleback fish, and a pillar of light seen at sunset, in this week’s pick from the Nature archive.

Does China’s latest AI model finally equal US rivals? What scientists think

Nature, Published online: 21 July 2026; doi:10.1038/d41586-026-02281-2‘Kimi K3’ can match or outperform cutting-edge models, says Moonshot AI. But its large size might limit uptake.

Nature, Published online: 21 July 2026; doi:10.1038/d41586-026-02281-2

‘Kimi K3’ can match or outperform cutting-edge models, says Moonshot AI. But its large size might limit uptake.

Oil and gas drilling is shifting to the deep sea — here’s what is at stake

Nature, Published online: 21 July 2026; doi:10.1038/d41586-026-02232-xTechnologies are taking the search for fossil fuels to the deepest parts of the ocean. Engineers must keep ecological risks manageable.

Nature, Published online: 21 July 2026; doi:10.1038/d41586-026-02232-x

Technologies are taking the search for fossil fuels to the deepest parts of the ocean. Engineers must keep ecological risks manageable.

Ten years of mapping gene expression in tissues

Nature, Published online: 21 July 2026; doi:10.1038/d41586-026-02212-1Spatially resolved transcriptomic technologies continue to enhance understanding of development and disease through a feedback loop involving academia and industry.

Nature, Published online: 21 July 2026; doi:10.1038/d41586-026-02212-1

Spatially resolved transcriptomic technologies continue to enhance understanding of development and disease through a feedback loop involving academia and industry.

New hope in the fight against cachexia — cancer’s deadly co-conspirator

Nature, Published online: 21 July 2026; doi:10.1038/d41586-026-02228-7Scientists are getting closer to understanding the wasting and fatigue that often accompanies cancer. Treatments could be on the horizon.

Nature, Published online: 21 July 2026; doi:10.1038/d41586-026-02228-7

Scientists are getting closer to understanding the wasting and fatigue that often accompanies cancer. Treatments could be on the horizon.