It’s interesting holding an elephant tusk for the first time. You’re not quite sure what to expect. But the first thing you notice is that they’re heavy, heavier than I expected. This aspect distinguishes elephant ivory from other wildlife products. It’s heavy, and it’s going to take up space. This has to affect the smuggling [...]
More than half of Arizona mammals are at risk of extinction. Fourteen species are already extinct. Continue reading →
An article in EnvironmentalResearchWeb oversimplifies the relationship between simple and complex climate models.
We’re approaching the home stretch. Fleet: Horizon, the conclusion to my ongoing science fiction serial novel, premiers on December 2. Each installment features a distinctive cover, featuring one of the ships in the Fleet. The ship on each cover is a real vessel, photographed during on of my many field expeditions. In honor of the […]
Today if you want to check the time at the
middle of the night, you either have a backlit watch or may be a talking clock.
Well back in the seventeenth century, when neither of that existed, M. de
Villayer, a French inventor, tried using the sense of taste.
He designed a clock so arranged that when
he reached for the hour hand at night, it guided him to a small container with
a spice inserted in place of numbers, a different spice for every hour of the
night. Even when he could not see the […]