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In this month’s Focus: New Horizons reaches Pluto, time travel paradoxes explained, how memories pass between generations, all you need to know about dark matter, and the incredible solar-powered plane.
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The zero emissions Gogoro Smartscooter was unveiled in January, and will go on sale in Taipei this summer. Does it inspire you to leave your car at home?

Does the Gogoro inspire you to leave the car at home? Does the Gogoro inspire you to leave the car at home?

The zero emissions Gogoro Smartscooter was unveiled in January, and will go on sale in Taipei this summer. Does it inspire you to leave your car at home?

Q&A

Because we didn’t evolve in a world full of sugar. For our ancestors in Africa, sugar from ripe fruit or a precious bee hive would have been a rare treat, and well worth prizing for its...

GPS receivers have improved markedly since they’ve been commercially available. These days, even those built into mobile phones are good enough to pick up GPS signals indoors, albeit rather...

Not all of your body is at 37°C – that’s just the temperature of your core. Your skin is much cooler than that because it’s continually exchanging heat with your surroundings. This is important...

You sometimes hear very large estimates for the biomass of certain animal groups, like ants or nematodes, but these consist of thousands of different, specialised species. The single species with...

The most basic sound a loudspeaker can produce is a sine wave. It vibrates the speaker’s diaphragm in and out at a single frequency. But the electrical output from your stereo is made up of...

Your ability to withstand high levels of pain (pain tolerance) is quite different from the degree of physical stimulus required to generate the sensation of pain (pain threshold). Your pain...

The aerodynamic design uses air rushing past to exert a strong down force to stick the car to the track, improving its handling. The down force is greater than gravity. So in theory, you could...

Burning organic material produces chemicals called polycyclic aromatic hydrocarbons (PAHs). These compounds are all quite toxic and so we have developed a high sensitivity to them.

PAHs are...

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