Dolphin Trick Could Save Lives
August 23, 2017
When trauma hits, do what the dolphins do: cool the face and eyes.
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Habitability Requires the Right Kind of Star
August 19, 2017
This is a continuation of my discussion on the requirements to allow life to exist on a planet elsewhere in the universe.
Climate Flap Echoes Political Divide
February 8, 2017
Reactions to a whistleblower's statements raise the possibility that the climate-science consensus is largely political, not empirical.
Mars Madness Hits
February 7, 2017
The Curiosity rover is sending back photos of things mission scientists are struggling to understand.
How the Brain Serves the Mind
August 31, 2016
More sophisticated than any computer, the brain runs many background tasks to aid and assist our conscious choices.
Orbital Ice Age Theory Melts
March 23, 2015
Orbital cycles do not cause ice ages, a new study suggests. Instead, the whole world experienced an ice age at the same time.
What Is the Temperature of the Earth?
January 16, 2015
The news are all reporting 2014 as the hottest year on record, but no one is asking how such a measurement can be made without bias.