The human brain (indeed, any brain) is a remarkable thing. Compact, fairly lightweight (about 1.5kg) and slightly larger on average for men (although observation seems to indicate otherwise), it controls everything you do.
Archive for Science
Mars’ Big Ocean
At this point, there’s very little doubt that in the past liquid water existed on Mars.
However, in the article entitled: “Ancient Ocean on Mars Supported by global distribution of deltas and Valleys of Nature Geoscience” two University of Colorado scientists, based on elevation data taken by various probes and study of deposits in 52 deltas and thousands dry river valleys, claim that up to one third of the planet’s surface was covered in water 3,500 million years ago.
Pictured: What Mars might have looked like 3.5 billion years ago with a large ocean of water… and a Mars version of Australia on the far right.
According to their estimates, this vast ocean would have contained 124 million cubic kilometers of water, which come to be as much as one-tenth of the current oceans of the Earth, although it must be thrown to the table that Mars is about half the size of Earth.
The big question that remains, is: “What the hell happened on Mars that was big enough to make the planet lose all that water? That may be a good question to answer in future missions to our neighbor but [presumed] desolated planet.
An interesting discussion
http://www.physorg.com/news190872056.html
Over on physorg there’s an interesting article, and even more interesting discussion going on about punishment vs. reward. I wholeheartedly encourage everyone to read a bit, especially since at least one SEDhead around here as expressed an interest in Game Theory, and this (The Nash equilibrium, and Prisoner dilemma to some extent) is core game theory.
