Mothers love their children unconditionally. This is not the case in humans alone, because in nature, animal mommies display motherly love and care for their little ones too.
A sundial is a device that tells time using the position of the Sun, or more precisely using its hour angle, or sometimes its altitude. Follow these steps and make your own sundial.
Turritopsis dohrnii has inspired scientists to use this process of “rebirth” to try and renew damaged or dead human tissues of a dysfunctional organ and restore it to its normal state.
