ABC News’ Alexis Christoforous reports on e.l.f. Beauty’s acquisition of Hailey Bieber's skincare brand. Picanha has long ...

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 ...

Although the invasive Burmese pythons might be considered one of the state's most reviled reptiles, they have the potential to help with medical research. Stephen Hall tells us more on "The Florida ...