V tejto časti budeme hovoriť o tom, ako sa pohybuje naozaj hustý dav, o xenotransplantácii prasacej obličky človeku a o tom, nakoľko je nebezpečné vystavovať sa slnečnému žiareniu cez sklo. Zdroje Crowds suck people into a vortex — surprising physicists Gene-edited transplanted pig kidney 'functioned immediately' in 62-year-old dialysis patient Sunlight Can Still Damage Skin Through a Closed Window. Here's How. Radiation: Ultraviolet (UV) radiation Image by Daniel from Pixabay