
Goldfish go months without oxygen by making alcohol inside cells
11 August 2017
Goldfish and crucian carp have evolved enzymes that turn carbohydrates into alcohol when no oxygen is available – helping the fish survive in ice-locked pools

11 August 2017
Goldfish and crucian carp have evolved enzymes that turn carbohydrates into alcohol when no oxygen is available – helping the fish survive in ice-locked pools

8 August 2017
Conservationists need to track penguin populations, but tagging hundreds of birds is impractical. A technique borrowed from forensics offers a solution

3 August 2017
Maize reached the southern US 4000 years ago, but wasn’t farmed in cooler areas until 2000 years later – because it took that long to develop cool-hardy strains