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Science & Tech
Explore the discoveries that reveal how the world works, alongside the technologies that extend, reshape, and sometimes challenge what’s possible.
Photosynthesis is powerful but very inefficient. Humans can improve on this biochemical process to help the planet.
Two ICU physicians offer a new approach to stopping it.
On Earth, carbon can form millions of compounds, while silicon is largely stuck inside rocks. But elsewhere, silicon could form the basis of life.
There's a fatal prion infection killing deer and elk across North America.
6mins
Humans won’t survive if we stay on Earth. Michio Kaku explains.
Modern cosmology conjectures different possible fates for the Universe and thus for the end of time. Details depend on which model is right.