Latest David Yellowlees Stories
Over two hundred million humans depend for their subsistence on the fact that coral has an addiction to "Ëjunk food' - and orders its partners, the symbiotic algae, to make it.This curious arrangement is one of nature's most delicate and complex partnerships "“ a collaboration now facing grave threats from climate change.The symbiosis between coral "“ a primitive animal "“ and zooxanthellae, tiny one-celled plants, is not only powerful enough to build the largest...
- A Roman unit of weight, 1⁄1728 of a pound.
- A weight of four grains used in weighing gold and precious stones; a carat.
- In anatomy, a formation suggesting a husk or pod.
- The lowest unit in the Roman coinage, the twenty-fourth part of a solidus.
- A coin of base silver of the Gothic and Lombard kings of Italy.