tilt

Discovering the undiscovered '10th Planet' in the Solar System?
The outer edge of our solar system is hiding a large object the size of Mars, and this is most likely the 10th planet orbiting the Sun.
Where does the plant know the direction of 'top' and 'bottom' to determine the direction of development?
According to the article published in the PNAS journal, French scientists have explained the abnormal behavior of particles in plant cells, allowing them to feel tilt and gravity.