Rogen, Reynolds and Christensen were all born in Vancouver, BC.
- The element Hg is mercury.
- A faint rising tone coming from the universe – a sound, a ‘chirp’ – indicated two black holes colliding, showed the presence of gravitational waves, ripples in the fabric of space-time’, conveying an energy ‘50 times greater than that of all the stars in the universe put together’, according to a team of physicists who announced the find this week.
- Concrete is the most widely used man-made material,
- Spikenard is an aromatic oil, also called nard,derived from a plant of the valerian family. It is used in perfumes and as a medicine.