Spinosaurus, the longest predatory dinosaur known, is opening its elongate jaws, studded with conical teeth, to catch a sawskate. Contrary to previous suggestions, this animal was not a heron-like wa… [+9295 chars]
European Space Agencys (ESA) astronaut Matthias Maurer and NASA astronaut Raja Chari performed a spacewalk on March 23 to install equipment outside the International Space Station (ISS). The recently… [+2064 chars]
The number of sunspots on our sun typically ebbs and flows in a predictable 11-year cycle, but one unusual 70-year period when sunspots were incredibly rare has mystified scientists for 300 years. No… [+7110 chars]
Scientists at Virginia Tech and U.S. Geological Survey used an 80-foot diameter electromagnet to survey the subsurface of the Yellowstone National Park and learn more about the water system, a press … [+4308 chars]
Scientists at Virginia Tech and U.S. Geological Survey used an 80-foot diameter electromagnet to survey the subsurface of the Yellowstone National Park and learn more about the water system, a press … [+4308 chars]
Chinas Yutu 2 rover has returned a view of its journey over the moons far side after three years of exploration. The latest photographs, which were posted in late February by Ourspace, a Chinese lan… [+2281 chars]
Since the beginning of 2022, a misbehaving rocket stage on a collision course with the Moon has attracted a lot of attention. While the occurrence sparked debate about the risks of space trash and th… [+2535 chars]
Imagining RNA and proteins as little input-output machines that carry out algorithmic genetic instructions explains the tendency toward symmetry in a way that Darwinian survival of the fittest hasnt … [+1620 chars]
Scientists have found a new way to "see" inside the simplest atomic nuclei to better understand the "glue" that holds the building blocks of matter together. The results, just published in Physical R… [+8137 chars]
We're still in the early days of searching for life elsewhere. The Perseverance rover is on its way to a paleo-delta on Mars to look for fossilized signs of ancient bacterial life. SETI's been watchi… [+11399 chars]
<li>Beall, C. M. Andean, Tibetan, and Ethiopian patterns of adaptation to high-altitude hypoxia. Integr. Comp. Biol.46, 1824 (2006). PubMed Google Scholar </li><li>Bigham, A. W. Genetics of huma… [+30118 chars]
In biology, symmetry is typically the rule rather than the exception. Our bodies have left and right halves, starfish radiate from a central point and even trees, though not largely symmetrical, stil… [+4753 chars]