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Living World

The surprisingly tricky art of seed banking

To safeguard threatened plants, science must unravel the hidden biology of often-persnickety seeds as they age, sleep and awaken

Ghost forests are growing as sea levels rise

As trees choked by saltwater die along low-lying coasts, marshes may move in — for better or worse, scientists are learning

At the dawn of life, did metabolism come first?

Some scientists propose that in the beginning, geochemistry gave way to biochemistry — with no genetic material necessary. Only later did RNA and DNA appear.

How cancer cells travel to new tissues and take hold

Understanding these astonishing migrations through the human body, known as metastases, could suggest novel treatments

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