From Tesla to toddlers, here's a look at Elon Musk's growing family of 14 children and the four women who have shaped his journey into fatherhood. Middle Image by Tesla Owners Club Belgium, licensed ...

Together with the oceans, they are one of the two most important carbon sinks, due to their capacity to store carbon in the soil and in tree biomass. As such, promoting fast-growing trees could ...

The math concept hidden in this tree art — geometric shapes known as fractals — is apparent in branching patterns in nature and may be key to humans’ ability to recognize such artwork as ...