Category : science

by Heidi Harley - 5 years ago

Climate Carbon Bookkeeping

The question often arises as to how we know that the current year-to-year buildup of CO2 is due to human activities. One way is to do simple bookkeeping of how much of each of the major types of fossil fuels we burn each year, and the predicted CO2 b...

by Heidi Harley - 5 years ago

Little Ice Age? No. Big Warming Age? Yes.

In September, a website called Space Weather Archive& interviewed Martin Mlynczak& of NASA’s Langley Research Center. Mlynczak noted that because the sun is currently in a relatively inactive period, the thermosphere (one of the highest layers...

by Heidi Harley - 5 years ago

UFOs: Why Humanoid Aliens? Why So Varied?

Here’s what we know: People report seeing things in the sky they cannot explain. Reported objects come in all shapes and sizes: saucers and triangles and cigar shapes and everything in between. Glowing orbs and rotating...