How and why do sunflowers follow the sun?

Sunflowers are known worldwide for their movements following the sun. These beautiful yellow flowers are the visible proof that plants are not static organisms, and their movements have been inspiring poets, musicians – and also scientists – throughout decades. In the morning, sunflowers face the east, awaiting for the rising sun and then follow its…

Can quantum mechanics be studied using an electromechanical system?

When a theoretical physicist is given a problem that involves quantum mechanics one of the first thing he or she is likely to do is to write the Hamiltonian of the problem. This is an operator in the quantum mechanics definition of an operator, that is, it is a mathematical object that maps one state…

High temperatures can create “superfemales” lizards

In animals like turtles, lizards and other reptiles, individual sex is influenced, or even determined, by external variants, mainly temperature. As Earth is going through climate changes, population dynamics of these species might be subject to dramatic effects. Central bearded dragons (Pogona vitticeps) are large lizards found in Eastern Australia, whose sex is determined by…

English Language Skills and Socioeconomic Segregation of UK Immigrants

At the same time that United Kingdom was voting the “Brexit” referendum, the potential withdrawal of the UK from the European Union, Yu Aoki and Lualhati Santiago, PhDs in Economics, were publishing the paper “English language skills and socioeconomic segregation of UK Imigrants” in the Discussion paper economics nº16-7, June 2016. A publication for the…