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Growing skills: Top tips for producing the best veg in town

28 February 2018

Tomato suckers aren't all bad, Frankenstein squash probably won't take over and there are betters ways to protect your prized veg than planting companion species

Growing skills: A scientific guide to greener fingers

28 February 2018

From lining your pots with gravel to staking your trees, gardening tips are a dime a dozen. But which are gospel and which can safely be buried?

Unbreakable: The race to protect our secrets from quantum hacks

28 February 2018

Quantum computers will smash our best encryption. To make everything from online chats to government intelligence safe, we need maths no machine could solve

4 ways your eco-friendly plot is no good – and how to fix it

28 February 2018

Plants that are meant to give your garden an ecological boost can back-fire, but if you're savvy your plot can still be a haven for wildlife

Growing skills: How to get the prettiest flowers on the block

28 February 2018

Find out what the Chelsea chop is and whether it works, how to turn your hydrangeas blue and whether you should you tie up your daffodils for the best display next year