Ancient Maya Practiced Forest Conservation -- 3,000 Years Ago

(PhysOrg.com) -- As published in the July issue of the Journal of Archaeological Science, paleoethnobotanist David Lentz of the University of Cincinnati has concluded that not only did the Maya people practice forest management, ...

Great Barrier Reef 'not dying', Australia insists

The Great Barrier Reef is "not dying", Australia insisted Friday as it updated UNESCO on efforts to protect the natural wonder while scientists blasted a lack of urgency in dealing with climate change.

Archaeological, genetic evidence expands views of domestication

Many of our ideas about domestication derive from Charles Darwin, whose ideas in turn were strongly influenced by British animal-breeding practices during the 19th century, a period when landowners vigorously pursued systematic ...

What are the risks when hens lay their eggs on the floor?

Hens usually prefer to lay their eggs in nests but it is not unusual for some eggs to be laid on the floor of the hen house or on the ground and in some cases the incidence of floor eggs can be quite high. A new study aims ...

Researchers seek longer battery life for electric locomotive

(Phys.org)—Norfolk Southern Railway No. 999 is the first all-electric, battery-powered locomotive in the United States. But when one of the thousand lead-acid batteries that power it dies, the locomotive shuts down. To ...

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