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The 2019 UA Science Lecture Series, Searching for Certainty, explores the debates and discoveries, from scientists across disciplines, that are shaping science today.

Episode 168: The Microbes Shaping Our Lives

Microbes are traditionally seen as dangerous to human health, but is that always the case?
This mosaic image of asteroid Bennu is composed of 12 PolyCam images collected on Dec. 2 by the OSIRIS-REx spacecraft from a range of 15 miles (24 km).

Episode 166: OSIRIS-REx and the Search for a Sample Site on Bennu

Scientists on the OSIRIS-REx mission are facing an unexpected challenge searching for an area to collect a soil sample from Bennu.
The 2019 UA Science Lecture Series, Searching for Certainty, explores the debates and discoveries, from scientists across disciplines, that are shaping science today.

Episode 165: Climate and the Deep Blue Sea

Transforming how oceanographers measure and forecast changes in Earth's climate
An image of the Amazon rainforest from a 2010 global map of the height of the world's forests based on multiple satellite datasets.

Episode 164: Managing Threats to the Global Ecosystem

Managing the challenges presented by threats to the global ecosystem.
UA researchers believe studying bird vocalizations can lead to new treatments for human speech.

Episode 163: How Birdsong Can Help Us Understand Human Speech

Researching birdsong, and how it can help scientists understand the development of human speech.
iPS-derived cardiomyocytes

Episode 162: Using a Patient’s Own Cells in Regenerative Medicine Therapies

Developing methods for using a patient’s own cells in regenerative medicine therapies.
This photomicrograph shows a mature Plasmodium malariae schizont within an infected RBC.

Episode 161: Climate Change and the Transmission of Infectious Diseases

The impact of a changing climate on the transmission of infectious diseases.
This infrared image of the Jupiter-family comet Johnson was taken with Spitzer's multiband imaging photometer (MIPS) at a wavelength of 24 microns.

Episode 160: Quick-Orbiting Comets are Drawing Attention

Comets affected by Jupiter's gravity draw attention from University of Arizona planetary scientists.
An artist's depiction of solar wind.

Episode 159: The Pitfalls of Early Space Exploration

UA researcher recalls pitfalls of early interplanetary space exploration.
A University of Arizona research team is studying the addictive qualities of e-cigarettes.

Episode 158: Is Vaping Addictive?

UA research team studies the addictive aspects of smokeless nicotine.
The director of the Southwest Climate Adaptation Center in Tucson, Steven Jackson, believes vegetation from the ice age can tell us about looming dangers of modern climate change.

Episode 157: What Ice Age Plants Can Tell Us About Modern Climate Change

What Ice Age vegetation tells us about the dangers of climate change.
University of Arizona professor David Glickenstein believes math skills are more essential than ever in modern life.

Episode 156: The Lifelong Reward of Math

Your middle school algebra teacher was right — math skills are essential.
UA Professor Scott Saavedra and his team are attempting to replace heavy, expensive silicon components in solar panels with light, organic plastics.

Episode 155: A Smaller, Lighter Solar Panel

A UA biochemist is looking at the next development in solar power by giving it an organic twist.
University of Arizona assistant professor Mónica Ramírez-Andreotta wants to help citizen scientists improve the environment by testing rainwater for pollutants.

Episode 154: Training to Test Rainwater

UA project trains community leaders to help scientists test for rainwater pollutants.
This global map shows the surface of Ceres in enhanced color, encompassing infrared wavelengths beyond human visual range. Images taken using infrared (965 nanometers), green (555 nanometers) and blue (438 nanometers) spectral filters were combined to create this view.

Episode 153: The Ice-Volcanoes of Ceres

Examining surface volcanism on the dwarf planet Ceres.
University of Arizona professor Jay Nunamaker is leading a team of scientists developing new technology to help detect lies.

Episode 152: Detecting Deception

UA information management professor Jay Nunamaker is leading a team developing advanced sensor technologies to detect the signs of deception.

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