


Earth is warming faster. Scientists are closing in on why
Paradoxically, cleaner emissions from ships and power plants are playing a role
Gavin Schmidt, a leading climate modeller and the boss of NASA’s Goddard Institute for Space Science (GISS) in New York City, is not noted for his humility. Nevertheless, writing in Nature, a journal, in March 2024, he confessed to being humbled by his inability, and that of his colleagues, to understand the extraordinary year through which they had just lived. 2023 had been around 0.2°C (0.4°F) hotter than had been expected.
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Humans and Neanderthals met often, but only one event matters
The mystery of exactly how people left Africa deepens

Machine translation is almost a solved problem
But interpreting meanings, rather than just words and sentences, will be a daunting task

AI can bring back a person’s own voice
And it can generate sentences trained on their own writing
Carbon emissions from tourism are rising disproportionately fast
The industry is failing to make itself greener
Why China is building a Starlink system of its own
When it is finished, Qianfan could number 14,000 satellites, rivalling Elon Musk’s system
Lots of hunting. Not much gathering. The diet of early Americans
What they ate is given away by the isotopes in their bodies