May 18, 2025, marks the 45th anniversary of Mount St. Helens' eruption — a catastrophic event that transformed the landscape ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

The world’s essential pollinators – bees, moths and butterflies – bring color to the world and put food on our plates. Far ...