How did we find the distance to the sun?
How far is the Sun? It seems as if one could hardly ask a more straightforward question. Yet this very inquiry bedeviled astronomers for more than two thousand years.
How far is the Sun? It seems as if one could hardly ask a more straightforward question. Yet this very inquiry bedeviled astronomers for more than two thousand years.
Space Exploration
Jan 5, 2015
3
43
If we want to use scientific thinking to solve problems, we need people to appreciate evidence and heed expert advice.
Other
Jan 5, 2015
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45
Phytoplankton are the ocean's most prolific primary producers, but new research shows environmental toxins are affecting cell division in the Prochlorococcus species.
Environment
Jan 5, 2015
1
22
While vitamin C in plant chloroplasts is known to help prevent a reduction in growth that plants experience when exposed to excessive light—phenomenon called photo inhibition—how it gets into chloroplasts to begin with ...
Biotechnology
Jan 5, 2015
0
27
Ebola virus, Alzheimer's amyloid fibrils, tissue collagen scaffolds and cellular cytoskeleton are all filamentous structures that spontaneously assemble from individual proteins.
Bio & Medicine
Jan 5, 2015
0
23
It is a sobering thought that in ten years, around 65% of the jobs that people will be doing have not even been thought of yet, according to the US Department of Labor.
Business
Jan 5, 2015
3
29
Most people understand the idea of a supply chain so that, for example, to make a car you need many thousands of different car components for assembly at the factory. If any of those components are no longer available, there ...
Environment
Jan 5, 2015
0
22
Two researchers are taking a new twist on long-published research about what an ancient civilization did for a living.
Archaeology
Jan 5, 2015
1
185
It's an ancient type of microorganism that makes up 20 per cent of the Earth's biomass, yet only now are scientists revealing the secrets of archaea.
Cell & Microbiology
Jan 5, 2015
4
31
Most foods are best as fresh as possible. I remember picking peaches at my grandfather's ranch in Northern California and eating them on the spot. What a taste! But the exceptions to this rule are the many wines that actually ...
Other
Jan 5, 2015
0
70