All the matter and light we can see in the universe makes up a trivial 5 per cent of everything. The rest is hidden. This could be the biggest puzzle that science has ever faced.
All in all, it's hard to fault as a brief, easily digestible introduction to some of the biggest questions in the universe. *****
In 2015, after 50 years of searching, gravitational waves were detected for the first time an astronomy changed forever. In 2017, the project's leading scientists were awarded the Nobel Prize in Physics.
Transforms a frustrating, century-long tale of disappointment into a gripping human drama
At one time a taboo subject, science is now prepared to look back past the beginning - to answer the ultimate question of life, the universe and everything with something more satisfying than Douglas Adams' cryptic '42'.
It's an incredible journey through mind-bending theories, into the deepest past.
SCIENTIFIC AMERICAN SELECTION
Clegg follows in the footsteps of Carl Sagan's Cosmos, Stephen Hawking's A Brief History of Time and Timothy Ferris's Coming of Age in the Milky Way.