Normal IT security practices might not protect you from malicious attacks that enter your system through everyday devices, such as USB keys. Shutterstock

How suppliers of everyday devices make you vulnerable to cyber attack – and what to do about it

Malicious code or deliberate design faults can be inserted into everyday business products before they even leave the original manufacturer. Here's how you can protect yourself.
Galaxy cluster MACS J1149.5+2223 taken with the Hubble Space Telescope. The inset image is the very distant galaxy MACS1149-JD1. ALMA (ESO/NAOJ/NRAO), NASA/ESA Hubble Space Telescope, W. Zheng (JHU), M. Postman (STScI), the CLASH Team, Hashimoto et al.

When did the lights first come on in the universe? A galaxy close to the dawn of time gives a clue

Astronomers have indirectly spotted some of the first stars in the universe by making their most distant detection of oxygen in a galaxy that existed just 500m years after the Big Bang.

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