Alexandrite is a rare and beautiful gemstone known for its stunning color change. It appears emerald green in daylight and reddish-purple under incandescent light. T Read more here: https://t.co/9G3NJOJsYa
The book is also just a really good read: an easy to understand and fast-moving tour of the super-cool details of paleoclimate studies and model projections of the future.
You should pre-order it! You won't be disappointed.
4/4
Studying giant clams helps scientists understand increasing ocean acidity, which could lead to population decline in some species and leave fish more vulnerable to predators, rising third-year Alice Andrews of @PennSAS writes in a blog post.
https://t.co/Jk7PJahXPI