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Why is it so hard to say whether plants are toxic or safe?

Health

Why is it so hard to say whether plants are toxic or safe?

I'm often asked questions about which plants, flowers, fruit or vegetables are toxic, but giving concrete answers is more complicated than you might imagine, writes James Wong

Comment

Real milk, no cows needed: Lab-made dairy products are now a reality

Technology

Real milk, no cows needed: Lab-made dairy products are now a reality

Features

States of matter: The unthinkable forms beyond solid, liquid and gas

Physics

States of matter: The unthinkable forms beyond solid, liquid and gas

Features

Chainmail arch supporting weight

Technology

3D-printed chain mail alternates between flexibility and rigidity

News

Matthew McConaughey in Interstellar

Space

From Interstellar to Hidden Figures: 12 of the best space movies

Culture

The secret to keeping beetroot a beautiful red when you bake it

The secret to keeping beetroot a beautiful red when you bake it

Regulars

flexible ice

Physics

New kind of ice is so bendy it can curl and uncurl without breaking

News

Lubricant found in a beetle's leg is more slippery than Teflon

Lubricant found in a beetle's leg is more slippery than Teflon

News

China beats Google to claim the world's most powerful quantum computer

Technology

China beats Google to claim the world's most powerful quantum computer

News

Steel foil coated with nanowires does backflips out of water

Physics

Steel foil coated with nanowires does backflips out of water

Extremely thin and water-repellent steel wafers not only float when submerged, they harvest power from surface tension and leap out of water

News

Technology

Quantum data link established between two distant Chinese cities

News

Health

Calories on food packets are wrong – it's time to change that

Comment

Health

We are witnessing an accelerated shift in how people view food

Comment

Humans

We Are Satellites review: What brain implants could do to family life

Culture