# Erika Hamden
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Erika Tobiason Hamden is an American astrophysicist and Assistant Professor at the University of Arizona and Steward Observatory. Her research focuses on developing ultraviolet (UV) detector technology, ultraviolet–visible spectroscopy (UV/VIS) instrumentation and spectroscopy, and galaxy evolution. She served as the project scientist and project manager of a UV multi-object spectrograph, FIREBall-2, that is designed to observe the circumgalactic medium (CGM).
Changing the way we look at the stars
A new space telescope called PUFFINS will soon be viewing faraway stars through interstellar dust. University of Arizona astronomer Ramya Anche talks about solving the mysteries of polarization and stellar evolution using tools found only in outer space. Ramya Anche spoke with Erika Hamden, astroph…
How better weather forecasting can make a difference in mortality rates
Warnings about hurricanes and tornadoes help save lives, but researchers are beginning to study how alerts about extremely hot and cold weather can make a difference, too. University of Arizona economics professor Derek Lemoine discusses the connection between better weather forecasts and mortality…
Discovering what makes plants drought resistant
Scientists have discovered certain plants get a head start on survival in drought conditions. University of Arizona researcher Alexander Bucksch discusses how some root systems use tiny hooks that bring in water and keep plants alive. Alexander Bucksch spoke with Erika Hamden, Astrophysics professo…
The hidden value of protecting endangered species
Scientists have discovered when one plant or animal faces extinction, the whole ecosystem is threatened. Michael Robinson with the Center for Biological Diversity talks about protecting the Mexican gray wolf in southern Arizona, and how it is crucial to wildlife patterns across the region. Michael …
Studying this year's monsoon
Some parts of southern Arizona have received higher-than-usual rainfall this summer. National Weather Service forecaster Julia Tetrault discusses what is making the monsoon more active than previous years, and why the conditions are just right for rain in southern Arizona. Julia Tetrault spoke with…
Looking at the connection between evolution and aging
Evolution plays a role in why some species have more longevity than others. University of Arizona molecular scientist George Sutphin discusses how the process of aging produces what is naturally best for animals ranging from sharks to humans.George Sutphin spoke with Erika Hamden, astrophysicist at…
Exploring an ancient fossil mystery in South America
Scientists have spent decades studying whale fossils found on land near the Chile's Pacific coast. University of Arizona Geosciences professor Barbara Carrapa discusses how volcanic activity in the Andes Mountains actually led to the demise of the whales seven million years ago. Barbara Carrapa spo…
Special Delivery (2021)
Original broadcast date: October 29, 2021. What does it take to deliver a message, precious cargo, or vaccines — meant for exactly the right place in our bodies? This hour, TED speakers explore the often perilous journey of crucial deliveries. Guests include theater director Amir Nizar Zuabi, astro…
Special Delivery
What does it take to deliver a message, precious cargo, or vaccines — meant for exactly the right place in our bodies? This hour, TED speakers explore the often perilous journey of crucial deliveries. Guests include theater director Amir Nizar Zuabi, astrophysicist Erika Hamden, chemical engineer K…
Recode Decode: Trash in space, diversity in STEM and artificial meat at TED 2019
Kara Swisher's executive producer, Erica Anderson, talks with four TED Fellows at the 2019 TED Conference in Vancouver. In this collection of mini-interviews, you'll hear from biologist Danielle Lee, space environmentalist Moriba Jah, astrophysicist Erika Hamden and Good Food Institute founder Bruc…
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