70 Years After Hiroshima

Seventy years ago, Hiroshima was decimated by the Little Boy atomic bomb - the first nuclear weapon ever used in warfare.

Published: July 22, 2015 at 11:00 pm

On sale date: 23rd July 2015

Issue: 284

Hiroshima: 70 years on

Seventy years ago, Hiroshima was decimated by the Little Boy atomic bomb - the first nuclear weapon ever used in warfare. Inside the August 2015 issue ofBBC Focus, we chart the city's unexpected recovery in the weeks, months and years that followed.

The Unknown Universe

We still have a long way to go when it comes to untangling the mysteries of the cosmos. From dark energy to dark matter; black holes to the nature of gravity, we look at the most perplexing questions yet to be answered by science.

E-cigarettes: the scientific verdict

There are 2.6 million e-cigarette users in the UK - and that number is rising. But are they safe? We weigh up the scientific evidence. How do e-cigarettes compare to conventional cigarettes, and are they a gateway to smoking?

Also inside this issue:

3 years on Mars:Curiosity's greatest discoveries

The future of flight:The planes that will transform air travel

Stop! Thief!Gadgets to crime-proof your home

Quantum physics:Become an expert in 10 minutes

The secret life of wasps:Are we judging them unfairly?

Plus

Q&A:How did humans tame wolves?

MegaPixel:Awe-inspiring images from the world of science

Tech Hub:The Gogoro smartscooter arrives

To Do List:Big Blue Liveon BBC One

Discoveries:Is there life on comet 67P?

Subscribe to BBC Focus Magazine

Follow Science Focus onTwitter,Facebook, Instagramand Flipboard