Beachy Head Lighthouse wallpaper
The fluid tissue we call blood not only feeds us and cleans us, delivering fresh oxygen and other nutrients to all 100 trillion cells of the body and flushing out carbon dioxide, ammonia and other metabolic trash. It not only houses the immune system that defends us against the world.
Our blood is the foundation of our very existence as multicellular animals, said Andrew Schafer, a professor at Weill Cornell Medical College and the outgoing president of the American Society of Hematology. Blood is the one tissue that comes into contact with every other tissue of the body, and it is through blood that our disparate parts communicate, through blood that our organs cooperate. Without a circulatory system, there would be no internal civilization, no means of ensuring orderly devotion to the common cause that is us.
Some very good science writing about blood. In the ya learn something new everyday department and also sounds like an answer that might come up on Jeopardy, blood travels over 60,000 (97,000 km) miles of arteries, veins and capillaries in the human body.
California State University Goes Solar
The state of California has partnered with SunEdison to provide affordable solar power at 15 California State University campuses and the CSU executive office.
CSU is apparently buying the plants on the installment plan. Considering our national economic woes I find it reassuring that such a large American institution has that much faith in its fiscal future.
If you’ve moved recently and are not sure where to vote, Google maps to the rescue. Just type in your address and you’ll be shown the voting polls near you.
Study finds all sea turtles are related
“The evolution of a specialized diet appears to have occurred three times, independently,” said Naro-Maciel. “Many sea turtles are carnivorous generalists. However, hawksbills tend to have a diet of glass — they eat toxic sponges — while the leatherback consumes jellyfish and the green grazes mainly on algae or sea grass.”
For me, the fact that hawksbills dine on sea sponges is extraordinary. What an incredibly strange dietary adaptation. Sadly as the article reminds us, the hawksbill and all the other species of sea turtles are highly endangered.
tangledwing 