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Why Study Comets? | PBS LearningMedia
Why Study Comets? | PBS LearningMedia
Learn what comets are and how they inform us about the early solar system, in this video adapted from NASA. Comets, which are made of frozen gases, ice, dust, and rock, are typically in a deep freeze in the outer solar system. But when a comet nears the Sun, it loses streams of gases and forms a coma (a thin, temporary atmosphere at its head) and a tail. Dr. Paul Chodas, a research scientist at the NASA Jet Propulsion Laboratory explains that comets—unlike planets, which have undergone significant processing—contain original materials from when the solar system formed and can inform us about the conditions of the early solar system. This video is available in both English and Spanish audio, along with corresponding closed captions. This resource is part of the NASA Planetary Sciences Collection.
Why Study Comets? | PBS LearningMedia
Algae-powered computing: Scientists create reliable and renewable biological photovoltaic cell
Algae-powered computing: Scientists create reliable and renewable biological photovoltaic cell
Researchers have used a widespread species of blue-green algae to power a microprocessor continuously for a year -- and counting -- using nothing but ambient light and water. Their system has potential as a reliable and renewable way to power small devices.
Algae-powered computing: Scientists create reliable and renewable biological photovoltaic cell
Insights into plastic biodegradation: community composition and functional capabilities of the superworm (Zophobas morio) microbiome in styrofoam feeding trials | Microbiology Society
Insights into plastic biodegradation: community composition and functional capabilities of the superworm (Zophobas morio) microbiome in styrofoam feeding trials | Microbiology Society
Plastics take FOREVER to break down in nature...so the idea of styrofoam munching superworms is quite exciting for cleaning up our cheap packing materials, no?
Insights into plastic biodegradation: community composition and functional capabilities of the superworm (Zophobas morio) microbiome in styrofoam feeding trials | Microbiology Society
Spider webs record severity of microplastic pollution in cities
Spider webs record severity of microplastic pollution in cities
Charlotte's Web would be 1/10 microplastics!? It makes perfect sense, but I didn't consider how spider webs trap pollutants like heavy metals and magnetic particles...well we're setting these webs on fire, analysing the resultes and discovering pesky microplastics...big time!
Spider webs record severity of microplastic pollution in cities