Why fresh-squeezed orange juice turns bitter.

Several times recently I have squeezed a large number of oranges, enjoyed some of the delicious fresh-squeezed juice, and then been disappointed by the rest the next day. It tastes bitter, and becomes worse rapidly. This turns out to be the result of naturally occurring limonoate A-ring lactone (aka "LARL," a tasteless substance) breaking down […]

The trajectories of life-bearing meteorites from Earth.

Some Japanese researchers did the math on the fate of the billions of tons of rocks and water that were tossed into space when Earth was hit by an asteroid 65M years ago. It turns out that much of that material probably bore life, and it wound up not just on the Moon, but also […]

Unsurprising research finds that some homophobia is rooted in homosexuality.

A team spanning three universities has published a study in the Journal of Personality and Social Psychology finding that people who claim to be straight, but have a strong attraction to people of the same sex, tend to be hostile towards gays because gays remind them of their own repressed tendencies. Those subjects’ parents tended […]

PPP’s survey of likely Republican voters in Mississippi and Alabama is really something.

Forget the presidential race—the other responses are pretty amazing. Only 14% believe that the presidentis is Christian (45% believe he’s Muslim, 41% don’t know). Just 26% believe in evolution. One in five believe that interracial marriage should be a crime, with just 67% supporting its legality. It’s little wonder that these two states generally show […]

Links for November 25th

BBC News: CO2 climate sensitivity ‘overestimated’Of all that is very clearly known about global climate change, the one connection that is not well understood is the quantity of climate forcing that results from each unit of CO2. That is, exactly how much additional heat can the atmosphere store for each each ton of CO2 that […]