Science
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.
Science
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…
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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,…
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Permafrost Thaw: The Hidden Climate Risk Beneath Siberia and Alaska
Beneath Siberia and Alaska, ancient frozen ground is thawing and releasing stored carbon. Permafrost thaw is climate change's hidden accelerant.
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The Gut Microbiome: The Trillions of Microbes Running Your Digestion
Thirty-eight trillion microbes in your gut digest food, train immunity and talk to your brain. The science of the microbiome and what…
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Ocean Acidification: The Other Carbon Dioxide Problem
The oceans absorb a third of our CO2, and it is changing their chemistry. Ocean acidification is the other carbon dioxide problem…
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How the Heart Pumps: The Engine of the Human Body
One hundred thousand beats a day, 7,500 litres pumped, no days off. The electrical and mechanical engineering inside your fist-sized, tireless heart.