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From the College of Natural Sciences
New Fossil Suggests Dinosaurs Not So Fierce After All

New Fossil Suggests Dinosaurs Not So Fierce After All

A new species of dinosaur discovered in Arizona suggests dinosaurs did not spread throughout the world by overpowering other species, but by taking advantage of a natural catastrophe that wiped out their competitors.

Beneath Two Meters of Arctic Ice, Texas Scientists Will Seek Better Understanding of Carbon Cycling and Climate

Beneath Two Meters of Arctic Ice, Texas Scientists Will Seek Better Understanding of Carbon Cycling and Climate

Marine scientists will study coastal ecosystems in the Arctic throughout the year through a $1 million NSF grant.

Study: ‘Dead Zone’ Effects on Fish

Study: ‘Dead Zone’ Effects on Fish

Whether a large area of low oxygen water called the “dead zone” in the northern Gulf of Mexico could cause declines in environmentally and economically important fish populations is the subject of a new study by University of Texas at Austin marine scientist Peter Thomas.

New Method for Computing Evolutionary Trees

Detailed, accurate evolutionary trees that reveal the relatedness of living things can now be determined much faster and for thousands of species with a new computing method.

Amazonian Amphibian Diversity Traced to Andes

Amazonian Amphibian Diversity Traced to Andes

AUSTIN, Texas — Colorful poison frogs in the Amazon owe their great diversity to ancestors that leapt into the region from the Andes Mountains several times during the last 10 million years, a new study from The University of Texas at Austin suggests. This is the first study to show that the Andes have been a major source of diversity for the Amaz...

Scientists Find New Clues to Explain Amazonian Biodiversity

AUSTIN, Texas--Ice age climate change and ancient flooding—but not barriers created by rivers—may have promoted the evolution of new insect species in the Amazon region of South America, a new study suggests. The Amazon basin is home to the richest diversity of life on earth, yet the reasons why this came to be are not well understood. A team of ...
Global Warming Experts Recommend Drastic Measures to Save Species

Global Warming Experts Recommend Drastic Measures to Save Species

AUSTIN, Texas—An international team of conservation scientists from Australia, the United Kingdom and United States, including University of Texas at Austin Professor Camille Parmesan, calls for new conservation tactics, such as assisted migration, in the face of the growing threat of climate change. They report their policy ideas in a paper publi...
Giant Cane and the Little Wasp That Could

Giant Cane and the Little Wasp That Could

AUSTIN, Texas—Researchers at The University of Texas at Austin will work with the U.S. Department of Agriculture, Agricultural Research Service (USDA-ARS) to investigate biological control for an invasive cane grass that is choking waterways across North America. The introduced European cane, Arundo donax, grows in dense stands in wetlands and rip...
Coral Health And Bacterial Communities

Coral Health And Bacterial Communities

PORT ARANSAS, Texas—Bacterial communities endemic to healthy corals could change depending on the amount and type of natural and man-made dissolved organic matter in seawater, report researchers from The University of Texas at Austin Marine Science Institute and Mote Marine Laboratory in Sarasota, Florida. Healthy corals naturally exude a surround...
Monitoring Texas Bays For Dangerous Algal Blooms

Monitoring Texas Bays For Dangerous Algal Blooms

PORT ARANSAS, Texas—A new electronic sentinel is on the lookout for dangerous algal blooms in Texas bays. The new instrument, called the Imaging FlowCytobot, automatically takes images of and classifies species of phytoplankton in real-time. It heralds the development of a warning system for the presence of harmful algae, like those that cause red...