Why March for Science on Earth Day: Mr. Trump support science, not silence

Why March for Science on Earth Day: Mr. Trump support science, not silence

Supporters and enthusiasts will March for Science on the streets of the United States capital Washington DC on the 22nd of April: the occasion is Earth Day, established by the United Nations to celebrate our planet and act against the threats that face it. The motive is to protest neo-president Donald Trump‘s retrograde stance towards climate change and the environment.

What astronauts can and can’t eat in space

What astronauts can and can’t eat in space

Though eating is a primary necessity for astronauts, it doesn’t mean it’s necessarily a pleasure. The first meals eaten in space were flavourless, odourless and lacked consistency. But times have changed, and a healthy, balanced, and tasty diet is essential for astronauts to go through long periods at the International Space Station, without negative impacts

PFASs, what are the harmful chemicals contained in thousands of consumer products

PFASs, what are the harmful chemicals contained in thousands of consumer products

Many consumer products such as textiles and leather products, firefighting foams, cleaning products and pesticides contain PFASs (per- and polyfluoroalkyl substances), known in the United States as perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA). Cookware, carpets, fabrics for furniture and even paper packaging for food also contain these chemicals. Used in manufacturing due to useful