Our planet is getting alarmingly warmer. On this, the science is clear.<br />So why are the lowest layers of the Pacific Ocean getting colder?<br />According to Mother Nature Network, researchers with the Woods Hole Oceanographic Institution and Harvard University have finally unlocked the mystery.<br />However, it took digging through around 150 years of data to solve it.<br />It turns out that the Pacific Ocean's water can take hundreds of years to circulate down to its lowest depths. <br />
