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- Humans
From the March 8, 1930, issue
LEAVES OLDER THAN GRAND CANYON FOUND Fossil remains of plants found in the walls of the Grand Canyon show that many millions of years ago stunted vegetation of very singular aspect grew in a great, red, sandy floodplain under a semi-arid climate in northern Arizona. This great red land has been found by Dr. David […]
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Making Waves
Dive into ocean waves, tides, currents, and much more at the Office of Naval Researchs oceanography Web site. This educational resource for students and teachers provides information on topics such as the creatures inhabiting hydrothermal vents, suggests simple experiments focusing on the forces that keep ships afloat and allow submarines to sink, and offers quick […]
- Humans
Small Steps: World Summit delegates wrangle over eco-friendly future
Twenty thousand delegates from around the world met in Johannesburg last week for a contentious World Summit on Sustainable Development.
