Nature, Published online: 30 April 2024; doi:10.1038/d41586-024-01209-yAn innovative proposal to stop exam over-preparation, plus William Bateson’s 1924 take on the previous century of biology, in the weekly dip into Nature’s archive.

Nature, Published online: 30 April 2024; doi:10.1038/d41586-024-01214-1With an election under way, the future of Indian science is on the ballot. Encouraging research and critical thinking should be a priority for the new government.

Nature, Published online: 30 April 2024; doi:10.1038/d41586-024-01270-7Corrosion is a global menace to crucial infrastructure — act to stop the rot now

Nature, Published online: 30 April 2024; doi:10.1038/d41586-024-01271-6Climate-targets group should rescind its endorsement of carbon offsets

Nature, Published online: 30 April 2024; doi:10.1038/d41586-024-01269-0Zoos should focus on animal welfare before claiming to champion conservation

Nature, Published online: 30 April 2024; doi:10.1038/d41586-024-01215-0Regulators have identified around 30 cases of cancer linked to this blockbuster treatment. But is CAR T to blame? The hunt is on for answers.