The 79th Annual Academy Award Nominations

its this great mystery.

captured in Arctic waters east of Greenland.Why are they changing their songs so much? asked Stafford.

getElementById(video-title-container-qGo5wEYqnW).Credit: Kate Stafford/University of WashingtonBetween 2010 and 2014.And when we looked through four winters of acoustic data.

Stafford and her research team published their results on April 4 in the journal Biology Letters.Mashable Light SpeedWant more space and science stories in your inbox?Sign up for Mashables weekly Light Speed newsletter.

though theres no evidence of this.

but each season had a new set of songs.SEE ALSO:Google bought more renewable energy than it needed last yearWith 98 gigawatts of solar installed across the globe in 2017.

title:These extreme Post-it notes will definitely get your point across.created_at:2018-04-04T16:36:30.

The cost of electricity from large solar projects is 72 percent less than it was in 2009.Mexico multiplied its investment 810 percent to $6 billion.