…innovations, machines and chemicals, especially the latter, hugely increased yields. After World War II, the automobile industry produced solid, cheap, dependable tractors. A tractor pulls as powerfully as 10 to…
…ultra-high, may have a second life as a bulk carrier aided by relatively cheap electronics, such as thyristors, which are capable of transforming all types of units of electricity into…
…of decades, the removal of tropical forests has been estimated at 1 percent per year. Until overcome by better livelihoods, cheap land, cheaper fuels, superior alternative wood products in the…
…cost money. The engineer nodded his head vigorously. He did not expect such a great favor for nothing. That was understood. A special document does not come cheap. Morgulyev was…
Our Census of Marine Life colleagues exploring Australia ’s reefs have discovered hundreds of undescribed corals and other species, including a little animal that eats the tongues of fish. Browse…
…book is the work of 147 scientists from 91 institutions across 22 countries. A colorful 4-page flyer describes the book, which will be available for purchase through Amazon.com in November…
The entire issue of Population and Development Review with our article about Peak Farmland is now online: Population and Public Policy: Essays in Honor of Paul Demeny https://www.popcouncil.org/publications/books/2012_PDRSuppPopPublicPolicy.asp and will…
…place. Studies by forest experts in Finland reveal that by the 1980s, wooded areas were increasing in all major temperate and boreal forests. These mid- and high-latitude forests account for…
…brilliant, hungry and thus motivated samplers of their environments and may provide efficient and cheap pictures of the distribution of marine life that could both guide and check other approaches….
…holidays”2 -1,744 -8,534 -10,278 -720 -3,280 -4,000 Shorter/Longer Work career3 +11,674 -13,779 -2,105 -2,675 +19,268 +16,593 TOTAL -26,830 -34,810 -61,640 -22,240 -710 -22,950 1Changes in hours worked per week (lower…