Dec
3rd
Thu
3rd
Sea urchin teeth are remarkable and complex calcite structures, continuously growing at the forming end and self-sharpening at the mature grinding tip. Via.
Keep up the good work America.
i blame this incredible ignorance on the lack of socialism, in the form of adequate education. this would be hilarious if it were not so sad and scary.
yayyy, a new color blue! i’m excited to use this new pigment when and if it ever hits the paint market.
- SOMETHING big is out there beyond the visible edge of our universe. That’s the conclusion of the largest analysis to date of over 1000 galaxy clusters streaming in one direction at blistering speeds. Some researchers say this so-called “dark flow” is a sign that other universes nestle next door.