Have you ever wondered what a conversation between whales and humans would be like? Researchers at the SETI Institute have reported an experiment that may represent the first attempt to speak with humpback whales in their own language. This first attempt at conversation between whales and humans aimed to explore communication between species. Researchers hope … [Read more…]
Physical activity is recommended for physical health and to prevent certain diseases. But the positive effects of physical activity on well-being, cognitive abilities (e.g. memory or decision-making), emotion regulation and mental health in general are also well documented. For example, exercising reduces symptoms of anxiety, depression, stress and loneliness. However, many questions remain unanswered: Do … [Read more…]
Nitrogen fertilizers form one of the pillars of the agricultural revolution of the 20th century and have become essential for maintaining current high agricultural yields. These fertilizers are made by removing gaseous nitrogen from the air. Since nitrogen gas is a very stable chemical molecule, its conversion into fertilizer requires an enormous amount of energy, … [Read more…]