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Understanding the amazing complexity of sign language
Most people are familiar with sign language, the system that deaf people use to communicate. What fe...
Why seismologists didn’t see Mexico’s deadly earthquake coming
Mexico has a long seismic history, so any given earthquake here does not necessarily come as a surpr...
Brazil’s biggest problem isn’t corruption — it’s murder
Somewhere between outraged and perplexed, Brazilians have been bombarded with news about their polit...
Biofuel breakthroughs bring ‘negative emissions’ a step closer
The use of biofuels helps reduce human greenhouse gas emissions. That’s one reason why some petroleu...
What Does a Fact Look Like?
Adrian Nathan West ,June 16, 2021 What Doe...