大象传媒

The soft tissue discovered in a 68-million-year-old Tyrannosaurus rex fossil bone has been shown to be a collagen-like substance related to proteins found in modern chickens. Astrobiologists predict that any plants yet to be discovered growing on other planets orbiting around distant stars may not be green. Artificial gravity to help astronauts stay fit on long-haul space flights. The genetics that make some dogs much smaller than others. How the desire for fairness and equality works in human societies.