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We are not the center of the universe
We are not the center of the universe, as the size comparison in this video shows. See Earth compared to other planets and stars in our universe in a compelling way.
February 23, 2011
Biomimicry and solutions inspired by nature
Biomimicry looks to nature to create sustainable solutions to human problems. The San Diego Zoo is a center for biomimicry research.
February 23, 2011
Human endurance in ancient Ring of Fire settlements
Ancient human populations lived on islands rife with natural disasters. From their early settlements, we're learning about human endurance in a difficult and uncertain world.
February 22, 2011
Hibernating black bears and what we didn’t know
For the first time, Alaskan black bears were monitored continuously through their long winter hibernation. Read more about hibernating black bears.
February 22, 2011
Rebel fungus pair rewrites heredity rules and redraws tree of life
Twenty five million years ago, a copied chunk of the genome of one fungus jumped intact to the genome of another, thus rewriting heredity's rules as we know them.
February 22, 2011
Sleep and healing in children
Medical sociologist Cary Brown says more research is needed to explore the relationship between lack of sleep and children with chronic health problems.
February 21, 2011
Sky island ecosystems: What are they?
Scientists say climate change in this century will affect the unique mountain wildlife in the sky island ecosystems of Arizona's Catalina Mountains.
February 21, 2011
Mike Brown explains why he killed Pluto
Astronomer Mike Brown talked with EarthSky about his book, Why I killed Pluto and Why It Had It Coming. Read more about Mike and Pluto here.
February 21, 2011
When our human ancestors first walked tall
A 3.2-million-year-old fossil foot bone, discovered in Hadar, Ethiopia, is shedding new light on when our human ancestors first began to walk upright.
February 21, 2011
Tasmanian devils are not quiet, cuddly vegetarians
A closer look at Tasmanian devils, the world's largest carnivorous marsupial. These animals that only exist on the island of Tasmania are protected.
February 20, 2011
