The evolution of the amniotic egg—complete with membrane and shell—was key to vertebrates leaving the oceans and colonizing the land and air. Now, 360 million years later, bird eggs come in all shapes and sizes, from ...
Evolution
Jun 22, 2017
2
172
The persistence of the massive, explosive fissures on the surface of Saturn's sixth-largest moon, Enceladus—despite the moon's astoundingly frigid surface—have remained a mystery for 11 years. Researchers from Princeton ...
Space Exploration
Apr 19, 2016
4
473
The Cassini spacecraft has observed geysers erupting on Saturn's moon Enceladus since 2005, but the process that drives and sustains these eruptions has remained a mystery. Now, scientists at the University of Chicago and ...
Space Exploration
Mar 28, 2016
24
622
Anthropologists on Wednesday said they had found the earliest engraving in human history on a fossilised mollusc shell some 500,000 years old, unearthed in colonial-era Indonesia.
Archaeology
Dec 3, 2014
20
1
An analysis of gravity and topography data from Saturn's largest moon, Titan, has revealed unexpected features of the moon's outer ice shell. The best explanation for the findings, the authors said, is that Titan's ice shell ...
Space Exploration
Aug 28, 2013
2
0
(Phys.org) —Artifacts from the Middle Stone Age, which lasted from about 200,000 to 50,000 years ago, provide us with the earliest glimpses of modern human art and culture. Previously, scientists thought an increase in ...
(Phys.org) —A team of researchers working in China has proven that the three-keeled pond turtle embryo is capable of moving itself towards or away from a heat source in order to warm itself or cool down. In their paper ...
By simply manipulating chemical gradients in a beaker of fluid, materials scientists at Harvard have found that they can control the growth behavior of crystals to create precisely tailored structures—such as delicate, ...
Materials Science
May 16, 2013
2
0
(Phys.org)—Researchers using computer simulations and modeling have come up with two possible explanations for the phenomenon known as true polar wandering. The team led by Jessica Creveling of Harvard University, suggest ...
The Secure Shell, or SSH, is a popular program that lets computer users log onto remote machines. Software developers use it for large collaborative projects, students use it to work from university servers, customers of ...
Computer Sciences
Jun 28, 2012
0
0
