PNAS Science Sessions

How dehorning affects rhino behavior 31.07.2023 10:24 ↓

Vanessa Duthé explains how dehorning affects the behavior of black rhinoceroses.

Why legalese persists 17.07.2023 8:54 ↓

Eric Martínez explains why legal documents are written in hard-to-read language.

Gender gap among migrant scientists 03.07.2023 7:39 ↓

Researchers explore trends in the gender gap among internationally mobile scholars.

Communal nesting in bird-like dinosaur 19.06.2023 9:38 ↓

Mattia Tagliavento talks about the evolutionary transition from dinosaurs to birds using isotopes in Troodon eggshells.

Racial disparities in air pollution exposure 05.06.2023 10:07 ↓

Pengfei Liu shares findings on racial disparities in exposure to the air pollutant nitrogen dioxide.

How vertebrates acquired a gene for vision 22.05.2023 10:01 ↓

Chinmay Kalluraya and Matthew Daugherty explain how vertebrates acquired a gene critical for vision from bacteria.

Genomic insights for sea turtle conservation 24.04.2023 9:26 ↓

Blair P. Bentley, Lisa Komoroske, and Camila Mazzoni discuss the role genomic elements play in the evolution of sea turtles.

Jump, bend, and roll: The rise of bioinspired robots Video 04.04.2023 9:10 ↓

A special edition of Science Sessions delves into the capabilities of robots inspired by plants and animals.

Math learning through videos 20.03.2023 10:06 ↓

Stanislas Dehaene and Marie Amalric investigate whether short online videos are sufficient to teach mathematics concepts.

Impressionism and air pollution 06.03.2023 9:51 ↓

Anna Lea Albright and Peter Huybers describe how optical effects consistent with air pollution appear in the paintings of Claude Monet and J.M.W. Turner.

How lizards adapt to urban living 14.02.2023 9:55 ↓

Kristin Winchell explains the genetic basis of anole adaptation to urban environments.

Revisiting the history of animal extinctions 30.01.2023 7:36 ↓

Researchers document animal extinctions in the Ediacaran Period that may have preceded the earliest known mass extinction.

The music of Mesozoic bush crickets 16.01.2023 10:08 ↓

Bo Wang and Chunpeng Xu describe how fossilized katydids provide insight into the role of insect sounds in the Mesozoic.

How a neural network taught itself chess 03.01.2023 7:13 ↓

Tom McGrath describes how the neural network AlphaZero taught itself how to play chess without observing a human game.

Honeybees: Nature's puzzle solvers 19.12.2022 7:23 ↓

Orit Peleg, Golnar Fard and Francisco López Jiménez explain how honeybees overcome geometric constraints to construct honeycombs.

Cultural identity in sperm whales 05.12.2022 10:16 ↓

Taylor Hersh explores how patterns of clicks produced by sperm whales suggest the exchange of cultural information between the whales.

Tuning into nature's music 14.11.2022 19:16 ↓

Researchers discuss what animal soundscapes can tell us about the health of ecosystems.

Point sources of methane emission 31.10.2022 10:02 ↓

Daniel Cusworth discusses combining aircraft-based and satellite-based measurement to identify methane emission point sources.

How climate warming releases ocean methane 17.10.2022 10:31 ↓

Syee Weldeab describes what researchers can learn from ancient global warming about the risks posed by ocean floor methane hydrates.

U-turn in occupational gender segregation 03.10.2022 10:09 ↓

Ling Zhu and David B. Grusky explore intergenerational factors influencing occupational gender segregation in the United States.

Activated patients reduce implicit bias 19.09.2022 10:10 ↓

Izzy Gainsburg and Veronica Derricks discuss how patient activation can disrupt implicit bias in physician-patient interactions.

How bumblebees respond to noxious stimuli 06.09.2022 9:56 ↓

Matilda Gibbons, Lars Chittka and Jonathan Birch discuss the possibility that bumblebees may feel pain.

Science of Misinformation 15.08.2022 20:57 ↓

Researchers explore how misinformation spreads and what can be done to stop it.

Bias and the placebo effect 01.08.2022 9:22 ↓

Lauren Howe and Alia Crum explore the interactions of societal biases with the placebo effect.

Epigenetic clocks for humans and dogs 18.07.2022 13:16 ↓

Steve Horvath and Elaine Ostrander explain the usefulness of epigenetic clocks in humans and dogs.