Results 111 to 120 of about 2,618 (222)

Prebiotic Protein Design supports a Halophile Origin of Foldable Proteins

open access: yesFrontiers in Microbiology, 2014
Liam M. Longo, Michael eBlaber
doaj   +1 more source

Prebiotic formation of thioesters via cyclic anhydrides as a key step in the emergence of metabolism

open access: yesScientific Reports
Thioesters are high-energy derivatives of carboxylic acids that are essential in the functioning of today’s living cells. Their central role argues in favor of their early introduction in the abiotic reaction network which led to the emergence of life on
Abdelkarim El Qami   +5 more
doaj   +1 more source

Debate estudiantil sobre evolución en tiempos de negacionismo científico: una experiencia en aula

open access: yesBio-grafía
Este artículo de reflexión presenta una experiencia pedagógica desarrollada en el área de Ciencias Naturales con estudiantes de secundaria, centrada en el análisis de las distintas posturas sobre el origen del ser humano. A través de un debate espontáneo,
Jesús Emilio Anaya-Hernández
doaj   +1 more source

The Timing of Evolutionary Transitions Suggests Intelligent Life is Rare. [PDF]

open access: yesAstrobiology, 2021
Snyder-Beattie AE   +3 more
europepmc   +1 more source

A Multiwavelength Survey of Nearby M Dwarfs: Optical and Near-ultraviolet Flares and Activity with Contemporaneous TESS, Kepler/K2, Swift, and HST Observations

open access: yesThe Astrophysical Journal
We present a comprehensive multiwavelength investigation into flares and activity in nearby M dwarf stars. We leverage the most extensive contemporaneous data set obtained through the Transiting Exoplanet Sky Survey, Kepler/K2, the Neil Gehrels Swift ...
Rishi R. Paudel   +16 more
doaj   +1 more source

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