Up next, turning stem cell into mouse eggs. Scientists have been growing stem cells in the lab for nearly 15 years now. And in that time they've learned to transform stem cells into pretty much anything they wanted to - heart cells, liver cells, brain cells. But now a group of Japanese scientists has raised the bar by transforming mouse stem cells into mouse eggs. And not only do they look like eggs but they can be fertilized and developed into healthy mice.
In The Joy of X: A Guided Tour of Math, from One to Infinity, mathematician Steven Strogatz provides an entertaining refresher course in math, starting with the most elementary ideas, such as counting, and finishing with mind-bending theories of infinity--including the idea that some infinities can be bigger than others.
Originally published on Fri October 5, 2012 12:09 pm
To become president and to be re-elected president takes much luck (among other factors, like money and political skill.) And President Obama appears to be one of the most fortunate presidents in recent memory with the release of the latest employment report.
Originally published on Fri October 5, 2012 1:53 pm
Ryan Andresen spent 12 years as a Boy Scout. Now that he's 17 and about to graduate from high school, he completed the final requirement to receive the Eagle Scout award, which signifies the highest rank in the organization.
Except, according to his mother, Karen, when he submitted the paperwork, the scoutmaster for Troop 212 in the San Francisco Bay Area told him he could not give him the Eagle Scout honor because Andresen is gay.