Tree Rings Hand Carved 15 oz Ceramic Mug Meteorology Here's a brainy notebook that's

Here's a brainy notebook that's ready to take on your next neuroscience lecture or act as your muse as you work to complete your thesis

our science

Right before the fireflies come out

Use it to take astronomical data or as a spot to sketch ideas for improved space craft

Get lost in the development and evolution of life throughout the eras while you enjoy a glass of wine from this Geologic Time Scale Wine Glass

Tree Rings Hand Carved 15 oz Ceramic Mug Meteorology Here's a brainy notebook that'sWe can learn a lot from tree rings. Each ring marks a year in the tree's life that scientists can use to understand how the climate has changed in a region. The dark lines are made in the late summer and fall while the light spaces between are produced in spring and early summer. Rings that are farther apart are made in rainy seasons and lines closer together are made in dry seasons. The tree rings on this mug are sand carved by hand for a unique