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In higher-level languages like Python or Java, these are hidden from you. In day-to-day work, that's terrific, but when you're learning how these low-level data structures are built, ... (array ...

If we look across the whole of the mammal branch of the tree of life we find there are many groups of mammals that have ...

The most famous packing problem concerns spheres. In 1611, the astronomer Johannes Kepler proposed that the densest way to ...

Looking for a good deal on a great gift? We have you covered with inspired gift ideas from our tests and at-home editor ...

Humans have forced cod to shrink in size by half since 1990s, scientists find. Fast-growing cod have almost disappeared from the Baltic. Vishwam Sankaran. Thursday 26 June 2025 13:37 BST.