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  • Embargo expired:
    20-Sep-2018 11:00 AM EDT

Article ID: 700693

Octopuses Given Mood Drug ‘Ecstasy’ Reveal Genetic Link to Evolution of Social Behaviors in Humans

Johns Hopkins Medicine

By studying the genome of a kind of octopus not known for its friendliness toward its peers, then testing its behavioral reaction to a popular mood-altering drug called MDMA or “ecstasy,” scientists say they have found preliminary evidence of an evolutionary link between the social behaviors of the sea creature and humans, species separated by 500 million years on the evolutionary tree.

Released:
18-Sep-2018 10:00 AM EDT

Social and Behavioral Sciences

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  • Embargo expired:
    18-Sep-2018 8:00 PM EDT

Article ID: 700734

Social Animals Have Tipping Points, Too

Santa Fe Institute

Quantitative tools developed in math and physics to understand bifurcations in dynamical systems could help ecologists and biologists better understand -- and predict -- tipping points in animal societies.

Released:
18-Sep-2018 3:00 PM EDT
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  • Embargo expired:
    11-Sep-2018 7:05 PM EDT

Article ID: 700062

A Single Gene Mutation May Have Helped Humans Become Optimal Long-Distance Runners

University of California San Diego Health

Two to three million years ago, the functional loss of a single gene triggered a series of changes in what would eventually become the modern human species. Researchers at University of California San Diego School of Medicine report on studies of mice engineered to lack the same gene and resulting data that suggest the lost gene may also have contributed to humanity’s well-documented claim to be among the best long-distance runners in the animal kingdom.

Released:
5-Sep-2018 4:30 PM EDT

Article ID: 699532

Did Bats Invent Fireflies?

Boise State University

Bats can learn to avoid fireflies using sonar or vision, but they learn faster they use both. This is evidence that combining information across senses can increase the power of warning signals. This research has implications for how fireflies evolved in relation to bats.

Released:
24-Aug-2018 3:30 PM EDT
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Article ID: 699279

Theory, meet Empiry

Santa Fe Institute

It may seem that there isn't much cross-discussion between theoretical and empirical scientists, but a new cross-citation network analysis shows there is more overlap than many believe. 

Released:
22-Aug-2018 12:05 PM EDT
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  • Embargo expired:
    20-Aug-2018 3:00 PM EDT

Article ID: 699156

Genomes of Ape Parasites Reveal Origin and Evolution of Leading Cause of Malaria Outside of Africa

Perelman School of Medicine at the University of Pennsylvania

The genome sequences of ape parasites related to Plasmodium vivax, the main source of mosquito-borne malaria outside Africa, provide insights on the origin and early evolution of the human parasite. This finding could have implications for better comprehending and eradicating malaria infection worldwide.

Released:
17-Aug-2018 11:30 AM EDT

Article ID: 699184

Research Indicates Long-Legged Lizards Better Adapted for Hurricane Survival

University of Rhode Island

Jason Kolbe has been thinking about hurricanes and lizards for many years. The University of Rhode Island professor of biological sciences has measured the length of lizard legs and the size of their toe pads to assess how those factors influence the animal’s ability to cling to vegetation during strong storms. He even used a powerful leaf blower to test his hypotheses in a laboratory.

Released:
17-Aug-2018 3:20 PM EDT
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Article ID: 698961

Study of Ancient Forefoot Joints Reveals Bipedalism in Hominins Emerged Early

Stony Brook University

In the first comprehensive study of the forefoot joints of ancient hominins, to be published online in PNAS, an international team of researchers conclude that adaptations for bipedal walking in primates occurred as early as 4.4 million years ago

Released:
14-Aug-2018 12:05 PM EDT

Article ID: 698668

A Scientific Dating Game: Biologists Play RNA-Protein Matchmakers

University of Texas at Dallas

Virtually all functions in our bodies require precise interactions between radically different types of molecules. Researchers at The University of Texas at Dallas are pursuing what differentiates a fruitful encounter from a dud.

Released:
7-Aug-2018 2:05 PM EDT

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