News

May 27, 2021

Widespread coral-algae symbioses endured historical climate changes

One of the most important and widespread reef-building corals, known as cauliflower coral, exhibits strong partnerships with certain species of symbiotic algae, and these relationships have persisted through periods of intense climate fluctuations over the last 1.5 million years, according to a new study led by researchers at Penn State.

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May 17, 2021

Maternal stress during pregnancy may shorten lifespans of male lizard offspring

Mother fence lizards that experience stress during pregnancy give birth to male offspring with shortened telomeres, or bits of non-coding DNA that cap the ends of chromosomes, according to a Penn State-led study.

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Mar 18, 2021

Ottar Bjørnstad elected to Norwegian Academy of Sciences and Letters

Ottar N. Bjørnstad, distinguished professor of entomology and biology and J. Lloyd & Dorothy Foehr Huck Chair of Epidemiology at Penn State, has been elected to the Norwegian Academy of Sciences and Letters. Bjørnstad was recommended as a result of his significant contributions to the fields of population ecology and quantitative epidemiology.

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Mar 03, 2021

Wolf social group dynamics matter for infectious disease spread, models suggest

By modeling wolves in Yellowstone National Park, researchers have discovered that how a population is organized into social groups affects the spread of infectious diseases within the population. The findings may be applicable to any social species and could be useful in the protection of endangered species that suffer from disease outbreaks.

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Mar 01, 2021

Unique study of isolated bobcat population confirms accuracy of extinction model

The reintroduction of 32 bobcats to an island off the coast of Georgia more than three decades ago created an ideal experiment to examine the accuracy of a genetic-modeling technique that predicts extinction of isolated wildlife populations.

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Feb 18, 2021

Silencing the alarm

An enzyme in the saliva of certain insects prevents their food plants from warning neighboring plants of an attack.

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Feb 04, 2021

The business of bees

The economic value of insect pollination services is much higher than previously thought in the U.S., new research finds.

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Feb 02, 2021

Summer weather conditions influence winter survival of honey bees

Winter survival of honey bee colonies is strongly influenced by summer temperatures and precipitation in the prior year, according to Penn State researchers, who said their findings suggest that honey bees have a "goldilocks" preferred range of summer conditions outside of which their probability of surviving the winter falls.

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Feb 01, 2021

Ecology Institute to hold pitch slam for funding competition

The Ecology Institute announced a funding competition for its annual Flower Grant for Ecological Research. The events, which will take place as virtual pitch slams, will occur from noon to 1 p.m. on March 9 and 10. The Ecology Institute is inviting researchers who are seeking funding to participate.

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Jan 22, 2021

Grozinger receives National Academy's Prize in Food and Agriculture Sciences

Christina Grozinger, Publius Vergilius Maro Professor of Entomology in Penn State's College of Agricultural Sciences, will be honored by the National Academy of Sciences for helping the world understand how to address the crisis of global declines in pollinator populations.

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