Risultati di ricerca
4 giorni fa · Research on how life might have emerged from non-living chemicals focuses on three possible starting points: self-replication, an organism's ability to produce offspring that are very similar to itself; metabolism, its ability to feed and repair itself; and external cell membranes, which allow food to enter and waste products to ...
3 giorni fa · The study of abiogenesis aims to determine how pre-life chemical reactions gave rise to life under conditions strikingly different from those on Earth today. It primarily uses tools from biology and chemistry , with more recent approaches attempting a synthesis of many sciences.
2 giorni fa · At least two-thirds of Mars' surface is more than 3.5 billion years old, and it could have been habitable 4.48 billion years ago, 500 million years before the earliest known Earth lifeforms; Mars may thus hold the best record of the prebiotic conditions leading to life, even if life does not or has never existed there.
4 giorni fa · The thought of no longer existing is too painful and grim for many to bear and is frequently avoided, but one psychology expert thinks people need to face their fear of death head-on to live more ...
5 giorni fa · Ad Feedback. “Most conversations and headlines surrounding social media and youth mental (health) focus solely on the harms, portraying young people as passive consumers. This research shows ...
2 giorni fa · Life on Mars. Episode 160303 / 03 Mar 2016. Neil and Sophie discuss Mars. The fourth rock from the Sun is one of our nearest neighbours in space and for centuries there has been debate about...
4 giorni fa · Happiness, in psychology, a state of emotional well-being that a person experiences either in a narrow sense, when good things happen in a specific moment, or more broadly, as a positive evaluation of one’s life and accomplishments overall—that is, subjective well-being. Happiness can be.
