Looks like we might not need to invoke some mysterious “dark energy” to explain the universe’s accelerating rate of expansion. Instead, the universe may simply be suffering from a gravity leak. Well, that’s a relief. Anyone have a bicycle patch?
Hydroelectric power’s dirty secret
Here’s a bit of a shocker from New Scientist: “Hydroelectric dams produce significant amounts of carbon dioxide and methane, and in some cases produce more of these greenhouse gases than power plants running on fossil fuels.” The culprit: rotting vegetation in the reservoirs, which often flood forested land.
Full-time blogging?
Let’s see, am I ready to devote myself full-time to blogging and give up all that nasty book- and column-writing and acting stuff I also do to make a buck? Let’s say I wanted to earn $50,000 a year (hey, why not?). Hassenpfeffer is currently getting 15 or 20 visitors a day–let’s be generous, and …

