Astronomers have believed since the 1960s that a galaxy dubbed UGC 1382 was a relatively boring, small elliptical galaxy. Now, using a series of multi-wavelength surveys, astronomers, including Carnegie’s Mark Seibert, Barry Madore and Jeff Rich, have discovered that it is really a colossal Giant Low Surface Brightness disk galaxy that rivals the champion of this elusive class—a galaxy known as Malin 1. Malin 1 is some 7 times the diameter of the Milky Way.
Plants have tiny pores on their leaves called stomata—Greek for mouths—through which they take in carbon dioxide from the air and from which water evaporates. New work from the lab of Dominique Bergmann, honorary adjunct staff member at Carnegie’s Department of Plant Biology and professor at Stanford University, reveals ways that the systems regulating the development of stomata in grasses could be harnessed to improve plant efficiency and agricultural yield.
Stanford, CA— With a growing world population and a changing climate, understanding how agriculturally important plants respond to drought is crucial. New work from a team led by Carnegie’s José Dinneny discovers a strategy employed by grasses in drought conditions that could potentially be harnessed to improve crop productivity.
Washington, DC— New work from Carnegie’s Peter Driscoll suggests Earth’s ancient magnetic field was significantly different than the present day field, originating from several poles rather than the familiar two. It is published in Geophysical Research Letters.
Baltimore, MD— As we age, the function and regenerative abilities of skeletal muscles deteriorate, which means it is difficult for the elderly to recover from injury or surgery. New work from Carnegie’s Michelle Rozo, Liangji Li, and Chen-Ming Fan demonstrates that a protein called b1-integrin is crucial for muscle regeneration. Their findings, published by Nature Medicine, provide a promising target for therapeutic intervention to combat muscle aging or disease.
Washington, DC— It is imperative that society learn more about how climate change contributes to episodic and very severe water quality impairments, such as the harmful algal bloom that caused Florida to declare a state of emergency earlier this month, says Carnegie’s Anna Michalak in a commentary published by Nature.