Ori Taichman

What is uranium enrichment? How is it done? Why is it so technically complex — and why is it crucial for both nuclear energy and weapons?

Could a global nuclear war lead to human extinction? Probably not.

The Prisoner’s Dilemma explains how we and other organisms make decisions regarding cooperation and self interest

From the worst epidemics to anthrax envelopes – all about biological weapons

For many generations we have been threatened with an apocalypse that could destroy humanity – What does science have to say about it?

76 years after the first use of a nuclear bomb by mankind, the knowledge required to manufacture such a weapon is freely available to all, but it is still an expensive and complex enterprise.

From nuclear weapons to dental health and from skillet coating to climate change. Everything about fluorine

Is the composition of living things similar to that of their surroundings? And why aren’t we made mostly of metals?

Beyond gold: Some metals cost tens of thousands of dollars per kilogram, and radioactive elements fetch even more.