Science

Research, discovery and the natural world — from the cosmos to the cell.

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Science 5 min read

What Are Stem Cells?

Stem cells are the body's master cells, able to renew themselves and turn into specialised cell types. Here is what the main types are, how…

Dr. Nadia Okoro 400 reading now
Science 5 min read

How Do Planes Fly?

A plane flies by balancing four forces: lift pushes it up, weight pulls it down, thrust drives it forward and drag holds it back. Here is…

Dr. Nadia Okoro 473 reading now
Science 5 min read

Climate vs Weather: What's the Difference?

Weather is what the atmosphere is doing right now; climate is the long-term pattern of weather over decades. Here is how the two differ…

Dr. Nadia Okoro 411 reading now
Science 5 min read

How the Immune System Works

The immune system is the body's layered defence against germs, combining fast general responses with a slower, highly targeted one that…

Dr. Nadia Okoro 474 reading now

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