Read also: Explosion and massive fire at Uralmash plant in Yekaterinburg Fire at Zaporizhzhia nuclear plant extinguished amid ongoing occupation ...

The 1:1 ratio results from the way the X and Y chromosomes are doled out in sperm and eggs. We know that boys and girls are produced in much the same frequency. But how – and why – is this 1:1 ...

To keep up to date with the latest Number 1s each week, sign up to our newsletter. Unsubscribe at any time.

It is therefore unlikely to help Russia succeed in the post-industrial age. "With the system Putin built," Kortunov argued, "it will be easy to create another Uralmash, but it is much more difficult ...