The concept of “Space,” is a tough one to explain--even for a Nobel prize-winnig physicist like Steven Weinberg.
Podcast produced by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.
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Australia's koala population has been hit hard by two rapidly spreading diseases: chlamydia (a sexually transmitted infection) and a retrovirus similar to HIV. Scientists are working to develop vaccines, while lay citizens help care for sick koalas. Biologists say the epidemics, combined with other threats like habitat loss, pose a serious threat to the species.
For more global science stories, visit: http://www.world-science.org/
NOVA is produced by WGBH in Boston. National corporate funding for NOVA is provided by The Boeing Company. Major funding for NOVA is provided by David H. Koch, the Corporation for Public Broadcasting, and PBS viewers.
In Australia's Northern Territory, termites build mounds that are tall, thin, and aligned like compass needles. How and why the insects do this is not entirely clear. One entomologist offers some theories.
For more global science stories, visit: http://www.world-science.org/
NOVA is produced by WGBH in Boston. National corporate funding for NOVA is provided by The Boeing Company. Major funding for NOVA is provided by David H. Koch, the Corporation for Public Broadcasting, and PBS viewers.
Millions of years ago in what is today Australia's Outback, a herd of dinosaurs left behind footprints in what has been interpreted as a stampede to escape a predator. A young researcher now suggests a very different interpretation.
For more global science stories, visit: http://www.world-science.org/
NOVA is produced by WGBH in Boston. National corporate funding for NOVA is provided by The Boeing Company. Major funding for NOVA is provided by David H. Koch, the Corporation for Public Broadcasting, and PBS viewers.
Discarded chewing gum is a common eyesore, and removing it from city streets and sidewalks can be costly. A Mexican congressman wants to solve the problem by borrowing a concept widely used in environmental regulation: making the polluters pay.
For more global science stories, visit: http://www.world-science.org/
NOVA is produced by WGBH in Boston. National corporate funding for NOVA is provided by The Boeing Company. Major funding for NOVA is provided by David H. Koch, the Corporation for Public Broadcasting, and PBS viewers.
The Panama Canal is being expanded to accommodate larger ships carrying bigger loads. The construction has exposed a trove of fossils, revealing a wide array of creatures that lived at the southern end of North America 20 million years ago.
For more global science stories, visit: http://www.world-science.org/
NOVA is produced by WGBH in Boston. National corporate funding for NOVA is provided by The Boeing Company. Major funding for NOVA is provided by David H. Koch, the Corporation for Public Broadcasting, and PBS viewers.