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From the College of Natural Sciences
Chagas Disease May Be a Threat in South Texas, Says Researcher

Chagas Disease May Be a Threat in South Texas, Says Researcher

Chagas disease, a tropical parasitic disease that can lead to life-threatening heart and digestive disorders, may be more widespread in Texas than previously thought, according to research from The University of Texas at Austin.
Appalachian Tiger Swallowtail Butterfly A Hybrid Species Of Two Other Swallowtails

Appalachian Tiger Swallowtail Butterfly A Hybrid Species Of Two Other Swallowtails

Flitting among the cool slopes of the Appalachian Mountains is a tiger swallowtail butterfly species that evolved when two other species of swallowtails hybridized long ago, a rarity in the animal world, biologists from The University of Texas at Austin and Harvard University have found.

Lawn of Native Grasses Beats Traditional Lawn for Lushness and Weed Resistance

Lawn of Native Grasses Beats Traditional Lawn for Lushness and Weed Resistance

A lawn of regionally native grasses would take less resources to maintain while providing as lush a carpet as a common turfgrass.

Females Can Place Limits on Evolution of Attractive Features in Males, Research Shows

Females Can Place Limits on Evolution of Attractive Features in Males, Research Shows

How melodious or handsome males become over evolutionary time can be limited by the cognitive abilities of females.
Border Fences Pose Threats to Wildlife on U.S.-Mexico Border, Study Shows

Border Fences Pose Threats to Wildlife on U.S.-Mexico Border, Study Shows

Current and proposed border fences pose significant threats to wildlife populations, with those animals living in border regions along the Texas Gulf and California coasts showing some of the greatest vulnerability.

Biology Student Awarded Truman Scholarship To Support Graduate Study in Public Health

Allen was recognized by the selection committee for her research on seasonal and pandemic influenza, which she conducted while interning over two summers at the National Institutes of Health.

In Poison Frogs, the More Toxic, the More Physically Fit

The most toxic, brightly colored members of the poison frog family may also be the best athletes, says a new study.

When Climate Change Isn't the Only Answer

Climate change might not be to blame for all cases of species - like pollinators and the flowers that depend on them - being out of sync.

Think Globally, But Act Locally When Studying Plants, Animals, Global Warming, Researchers Advise

Global warming is clearly affecting plants and animals, but we should not try to tease apart the specific contribution of greenhouse gas driven climate change to extinctions or declines of species.

When the Blind Can See Like Bats

Bat biologist George Pollak discusses human echolocation and the ways in which bats and people are surprisingly similar.

Evolution in Action

Dr. Larry Gilbert appears in this Science Nation video describing his research on speciation in butterflies.

Texas Leafcutter Ants Aided, But Also Limited, By Cold Tolerant Fungus Crops, Research Shows

Texas leafcutter ants farm crops of fungus that evolved cold tolerance to Texas winters, just as northern farmers cultivate cold weather crops.

Found: Multitalented Grad Student + Black-footed Ferret

Black-footed ferret illustration by Laura Crothers. On a web trawl today, we discovered graduate student Laura Crothers is not only a super smart biologist in Molly Cummings' lab studying endocrinology and behavioral ecology,  she's also a creative illustrator. Check out her blog Natural Miscillanea. This post is part of our blog, Extracts.Black-footed Ferret

Graduate Alumnus Awarded Three-Year Harvard Society Fellowship

Christian Rabeling, an alumnus of the graduate program in Ecology, Evolution and Human Behavior, intends to continue his studies on ants and explore the evolutionary processes that generate biodiversity.
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Lion Trackers

Nomadic male lions play a minor role in spreading disease among lion prides in the Serengeti, finds mathematical biologist Lauren Ancel Meyers.