Biting bugs protect trees from pachyderm predators
Thomas Jefferson's horticultural legacy is on view at his home, Monticello
Technology is sounding board for migrating species from Alaska to Mexico
Impact of oil disaster extends well beyond coastal region
Amphibians secrete new weapon for drug arsenal
Oil-eating microbes not significantly breaking down oil
Scott and Mark Kelly plan an out-of-this-world trip
Report calls for reforms to protect rights of migrant workers
130,000-year-old ice core opens new window on climate history
Rich nations aging as developing countries remain young and growing
Powerful x-rays reveal unique mode of caterpillar locomotion
Oil-soiled Gulf is major flyway for shore and migratory birds
70,000 turtle eggs to be moved from oil-threatened beaches
Author tracks water's crucial role in the life of nations through the ages, and documents today's worsening global water crisis
New report suggests workers, residents in Gulf region at risk
Donald Walsh's journey to the bottom of the ocean has never been repeated
US Navy craft's dive to deepest part of sea marks 50th anniversary
Gulf oil spill may be fueling US efforts to finish work on a stalled energy and climate change bill
Old books and coke bottles get new life as purses and jewelry
Wyland's monumental murals promote ocean conservation, marine life protection
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