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Protecting London – Police use of aerial imagery

For nearly 25 years, London has had helicopters contributing to...

The Beauty of Holiness and its Perils (or what is to happen to 10,000 parish churches?)

This is the Sir Thomas Gresham Annual Lecture of 2007...

Where is everybody?

Are we alone? The universe is very big. Why do...

Cosmology of Ultimate Concern

Superhumans? - Interfering with nature

Should we engineer the human genome? The ethics of stem...

The Origin of the Constellations

Who invented the constellations? The constellations that we use to...

The afterglow of the Big Bang

Is there an 'echo' of the big bang? The story...

Gravitational-Wave Astronomy

Einstein predicted that gravitational waves exist. What are they, how...

The Early History of the Universe

What was the universe like during its early history? Described...

Did Einstein get it right?

How did Einstein's theory of general relativity improve on Newton's...