Podcasts in Science & Medicine
As we look back over the last century, we observe an immense amount of progress in our understanding of the Cosmos. It is larger, more complicated and more dynamic than we would have dared to dream a mere hundred years ago.
What are dark matter and dark energy? Why is the Universe so smooth? And, for that matter, how do we even know we are on the right track?
What do we really know about the Universe? A century ago, astronomers would have said that we lived in a static Universe, and all of the visible matter was contained in a galaxy we call the Milky Way. Nowadays, we know better.
Word of the Day
- A Roman unit of weight, 1⁄1728 of a pound.
- A weight of four grains used in weighing gold and precious stones; a carat.
- In anatomy, a formation suggesting a husk or pod.
- The lowest unit in the Roman coinage, the twenty-fourth part of a solidus.
- A coin of base silver of the Gothic and Lombard kings of Italy.
'Siliqua' comes from a Latin word meaning 'a pod.'