Science
The James Webb Space Telescope: How It Sees the Universe’s First Galaxies
The James Webb Space Telescope sees the universe's first galaxies in infrared light. Here is how its golden mirror looks back 13.5…
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Human Evolution: The Long Road From Early Apes to Homo Sapiens
Six million years from upright apes to a species reading its own genome, via Neanderthals, Denisovans and India's Narmada hominin. The human…
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How the Giant Metrewave Radio Telescope in Pune Listens to the Cosmos
In Pune, giant dishes listen to radio whispers from across the cosmos. Here is how the GMRT tunes in to the universe's…
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Why Species Go Extinct – and Why Extinction Matters
Species vanish naturally, but today's extinction rate is up to 1,000 times normal. Why species die, from dodos to vultures, and why…
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The Greenhouse Effect Explained: How CO2 and Methane Warm the Planet
Carbon dioxide and methane trap heat like a blanket around the Earth. Here is how the greenhouse effect works, and why a…
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Convergent Evolution: How Unrelated Animals Solve the Same Problems
Sharks and dolphins, moles and marsupial moles: unrelated animals keep evolving identical designs. Why evolution repeats its best ideas across deep time.
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Weather vs Climate: Why a Cold Winter Does Not Disprove Global Warming
A cold winter does not disprove global warming. Here is the real difference between weather and climate, and why the confusion still…
Science
How Vaccines Train Your Immune System
Vaccines are rehearsals for the immune system: safe training against deadly disease. How B cells, T cells and memory turn a jab…
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Why the Arctic Is Warming Nearly Four Times Faster Than the Rest of the Planet
The Arctic is warming nearly four times faster than the rest of the planet. Scientists call it Arctic amplification, and here is…
Science
Why We Sleep: The Neuroscience of Dreams and Memory
We spend a third of life asleep, and the brain is busiest then: consolidating memory, cleaning waste, dreaming. The neuroscience of sleep,…