Atoms and the Miracle of Life
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Dark Matter Tracks Could Give Earliest View of Universe
Researchers have come up with a way to glimpse the infant Universe by decoding the earliest ripples in its light. They say this can be achieved by capturing the specific radio wavelength of 21cm from the heavens. The trick is to tell the difference between 21cm waves from our galaxy and those from distant, ancient…
Multiple Factors, Including Climate Change, Led to Mayan Collapse
A new analysis of complex interactions between humans and the environment preceding the 9th century collapse and abandonment of the Central Maya Lowlands in the Yucatán Peninsula points to a series of events — some natural, like climate change; some human-made, including large-scale landscape alterations and shifts in trade routes — that have lessons for…
You Owe Your Life to Rock
Thank goodness for granite. If not for the formation and subsequent erosion of large quantities of metal-rich granite on a supercontinent that formed billions of years ago, the evolution of multicellular life—including us—could have been stifled or delayed, according to a new study. For much of its history, life on Earth existed as only single-celled…
Big History Educational Resources
Photos and video from the inaugural conference of the International Big History Association.
‘Time Machine’ Allows Scientists to Study Early Universe
A new scientific instrument, a “time machine” of sorts, built by UCLA astronomers and colleagues, will allow scientists to study the earliest galaxies in the universe, which could never be studied before. MOSFIRE (Multi-Object Spectrometer For Infra-Red Exploration) will gather spectra, which contain chemical signatures in the light of everything from stars to galaxies, at…
Scientists Working on Suit for Walking on Mars
Mars has long held a fascination for those of us on Earth, but recent NASA pictures of Martian landscapes are giving us a much better understanding of the red planet. Meanwhile, scientists across the globe are working on robots and space suits with the hope that humans may soon explore Mars in person. Check out…