Thoughts about Tooth Enamel
June 17, 2021
The minerals that make up teeth provide another example of phenomenally detailed design.
Rich Gold Veins Can Form Rapidly
May 21, 2021
A long-standing mystery about the origin of "bonanza-type" gold deposits is closer to a solution.
Facing Reality About Life on Other Planets, 6: Chemistry and Probability
September 18, 2017
In this final segment about habitability of exoplanets, Dr Henry Richter looks at chemistry and probability.
Facing Reality About Life on Other Planets, 5: Water and Rock
September 12, 2017
by Dr Henry Richter There is much interest in searching for life elsewhere in the Universe. In previous articles I talked about the many criteria describing conditions and circumstances required to establish and maintain life on a planet. I talked about the importance of the location of the planet in its solar system. The location […]
Bubbles Scream Life
May 1, 2017
It might be a fungus. It might be half a billion years older than previously thought. It might rewrite the evolutionary history of complex life, including humans. What is it?
Dawn of a Young Ceres
September 10, 2016
The largest asteroid has a problem: she's too young to get a date.
Dead Sea Receding Shoreline Reveals Amazing Geology
June 27, 2016
As the Dead Sea's water level continues to decline, interesting geology comes to light.
Amino Acids Unlikely to Survive on Mars
June 9, 2016
UV radiation quickly degrades amino acids on most Martian minerals, a new study shows.
The Silent Underground Network
December 15, 2014
Under your feet in the woods is a vast communication network where information technology keeps the ecosystem functioning.
Beware of Misinterpreting Water Claims
June 16, 2014
A claim of vast reservoirs of water deep in the earth is based on indirect evidence, and likely has little or nothing to do with surface water or floods.