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Latest unlocked articles

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Watch: Very Large Telescope uses giant lasers in hunt for black holes

On a mountaintop in Chile sits the world’s most powerful optical tel...
Giant trees closeup in Sequoia National Park, California

The Overstory review – Richard Powers eco epic provokes awe

Wonder about the natural world and an extraordinary depth of ecologica...

Find out how outrageously weird octopuses are – take our quiz

They have multiple brains, amazing camouflage abilities and are surpri...
The Terminator 2

Robot laws: 5 new rules that could save human lives (at least on TV)

From Battlestar Galactica to The Terminator, on-scre...

Medical cannabis: What you really need to know

The UK looks set to become the latest place to legalise medical cannab...

Yoga and meditation work better if you have a brain zap too

Brain stimulation seems to offer a shortcut to unlocking the benefits ...

Four ways dolphins are amazing – and one way they’re not

We certainly click with dolphins, but they are also otherworldly creat...
A newborn baby being held by a doctor

The cancer-fighting multi-organ: 9 ways the placenta is amazing

From helping us conquer the world to curing cancer, here are nine reas...