Abstract: Linear systems involved in engineering and scientific calculations can be more easily analyzed using similarity transformation. However, understanding the numerous abstract linear algebra ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

This video follows the transition of a Fly River turtle into a newly prepared aquatic environment. The footage captures the first moments as the turtle explores increased space and depth. Subtle ...

Insects are often seen as invaders due to high-profile species like the yellow-legged (Asian) hornet, the harlequin ladybird and fire ant. But new research reveals insects are also major victims of ...