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Laser diode emits deep UV light
Nagoya University researchers say they have designed a laser diode that emits the shortest-wavelength ultraviolet light to-date, with potential applications in disinfection, dermatology, and DNA analyses.

Top Science Podcasts

We have hand picked the top science podcasts of 2020.
Now Playing: TED Radio Hour

Wisdom In Hindsight
Life is full of moments that shape us — and if we're lucky, we might pick up some wisdom along the way. In host Guy Raz's final episode, TED speakers share some of the life lessons they've learned. Guests include writer Pico Iyer, financial literacy advocate Curtis "Wall Street" Carroll, and neuroscientist Indre Viskontas.
Now Playing: Science for the People

#547 The D Factor: The Dark Side of Your Personality
This week on Science for the People, we're discussing dark personality traits. Everyone has them, and how they manifest themselves depends on your "D" level. We'll be speaking with Ingo Zettler, a Professor of Psychology at the University of Copenhagen and a member of the team of researchers who put forward the theory of the common core of dark personality traits, about what the "D" factor is and what influences your "D" level. This episode is hosted by Anika Hazra. Related links: The dark core of personality on APA PsycNET The Dark Factor of Prsonality: Theory of Common Core of...
Now Playing: Radiolab

Man Against Horse
This is a story about your butt. It's a story about how you got your butt, why you have your butt, and how your butt might be one of the most important and essential things for you being you, for being human.  Today, reporters Heather Radke and Matt Kielty talk to two researchers who followed the butt from our ancient beginnings, through millions of years of evolution, and all the way to today, out to a valley in Arizona, where our butts are put to the ultimate test.   This episode was reported by Heather Radke and Matt Kielty and was produced by Matt Kielty, Rachael Cusick and Simon Adler. Sound design and mixing by Jeremy Bloom. Fact-checking by Dorie Chevlen. Special thanks to Michelle Legro. Support Radiolab today at Radiolab.org/donate.