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In spite of the double burden of racial and gender discrimination, African-American women have developed a rich intellectual tradition that is not widely known. In Black Feminist Thought, Patricia Hill Collins explores t...

In this work, fruits of three cultivars, Caingangue, Cherokee and Guarani, originated from collections from Embrapa, Pelotas, Rio Grande do Sul, were analyzed concerning the anthocyanin content and the essential oils com...

On September 14, 2015 at 09:50:45 UTC the two detectors of the Laser Interferometer Gravitational-Wave Observatory simultaneously observed a transient gravitational-wave signal. The signal sweeps upwards in frequency fro...

Materias / palabras clave: Physics; Event horizon; Black hole (networking); Black hole thermodynamics; Gravitation; Entropy (arrow of time); Baryon; Micro black hole; Quantum mechanics; Event (particle physics); Particle physics; Computer network

This paper addresses how people selectively interpret images and sounds which circulate through the global media, investing politically-charged forms of popular culture with new, locally significant political meanings. H...

An update commented list of the snake genus Apostolepis from South America, with keys for identification of the species. They are fossorial snakes that present different coloration according their distribution: (a) 7 to ...

I use a new technique to derive a closed-form solution for the price of a European call option on an asset with stochastic volatility. The model allows arbitrary correlation between volatility and spotasset returns. I in...