SpaceX will launch the Air Force's top secret space plane in August

the screen can drop to 1Hz when youre not doing much.

The songs typically lasted between hours and days.Sign Me UpBy signing up you agree to our Terms of Use and Privacy Policy.

The marine mammals seem to be altering their songs each year.they largely avoid getting cancer.though theres no evidence of this.

transcoded_urls:[https:\/\/zmgvideos.they sing under sea ice during the Arctic winter when its dark all day.

And when we looked through four winters of acoustic data.

Credit: UIG via Getty ImagesThe researchers also suggested that the bowheads impressive song diversity could be due to an expanding population.and their haunting sounds can be heard online.

an oceanographer at the University of Washington.similar to how a jazz musician is constantly improvising.

The marine mammals seem to be altering their songs each year.com\/cms\/2018\/3\/65bd8512-255c-0320\/mp4\/720.