In a paper entitled, "Modeling Huddling Penguins" in PLosOne (an Open Access journal) a few months ago mathematicians take on a difficult question in biology:  Do individuals organisms make decisions to share a resource for the greater good (altruism) or do they generally act only as selfish individuals.  It is very difficult to test the cause... Continue Reading →
A Chinese spacecraft has been only the fourth to fly past an asteroid and capture close-up images. Â Here are a series of images of the 4 km long asteroid Toutatis which is considered a NEA (Near Earth Asteroid) though it won't make another pass near the earth for another 50 years. Â This is... Continue Reading →
It has been a while since I've been able write. There has been quite a bit of news the last two weeks and I thought I would briefly comment on a few items that are relevant to my most recent posts: The Salt Chronometer Since I published my series on the salty seas (Part I,... Continue Reading →
Naturalis Historia 