Posts Tagged ‘greenhouse’
Evidence points to slaves’ technical skill
U. MARYLAND (US) — An excavation at the only 18th-century greenhouse left in North America reveals that African-American slaves played a sophisticated technical role in its construction and operation. Continue…
Monday, February 14, 2011 16:34 - 0 Comments
Earth & Environment - Dec 22, 2010 12:24 - 0 Comments
Ocean’s acidity jolts marine microbes
USC (US) — Increases in carbon dioxide emissions—exacerbated by the burning of fossil fuels and other human activities—are making sea water more acidic and will ultimately have significant impact on marine life. (more…)
