Tag: meteorites
Updating the Drake Equation
The Drake equation is simply the product of a set of factors, estimating the number of active, technologically advanced, communicating civilizations in our galaxy.
From CNN, Vapid Science News Headline of the Day: “Ingredients for Life Found” in Space Rocks
“Not exactly proof” of extraterrestrial life, they say? It’s not a “proof” at all.
An Extraterrestrial Spin on the RNA World
The authors argue that RNA molecules appeared in warm little ponds more than 4.17 billion years ago, transported by “meteorites and interplanetary dust particles.”
Warm Little Pond? PNAS Paper Admits Difficulties Generating RNA on Prebiotic Earth
“Warm little ponds,” in Darwin’s quaint expression, are actually very hostile environments for generating nucleotides.