Male house mice don’t just squeak but sing melodic love songs to attract female partners, just like birds.  Their romantic melodies are pitched at the ultra-sonic range beyond our hearing.  But each mouse has his own individual signature tune which he sings in the hope of wooing a female mouse.  She is attracted by the male songs and can even distinguish different songs among brothers.

SUNRISING JELLYFISH: Jellyfish (Cotylorhiza tuberculata) drifting just beneath the surface, looking to capture the first sunrays to trigger their symbiotic algae to produce energy for it.  Mar Menor coastal lagoon, Murcia province, Spain. (Photo and caption by Angel Fitor)
-National Geographic

SUNRISING JELLYFISH: Jellyfish (Cotylorhiza tuberculata) drifting just beneath the surface, looking to capture the first sunrays to trigger their symbiotic algae to produce energy for it.  Mar Menor coastal lagoon, Murcia province, Spain. (Photo and caption by Angel Fitor)

-National Geographic

WATERWAY TO ORBIT:   Space shuttle, Endeavour, launches into orbit toward the east, as the  stars and waning crescent moon trail toward the west, leaving a  beautiful reflection on the Intracoastal Waterway in Ponte Vedra,  Florida. This 132-second time exposure of the final night launch of a  space shuttle, from launch through SRB separation, was taken 115 miles  north of Launch Pad 39A at Kennedy Space Center. Ponte Vedra, Florida.  (Photo and caption by James Vernacotola)
-National Geographic

WATERWAY TO ORBIT: Space shuttle, Endeavour, launches into orbit toward the east, as the stars and waning crescent moon trail toward the west, leaving a beautiful reflection on the Intracoastal Waterway in Ponte Vedra, Florida. This 132-second time exposure of the final night launch of a space shuttle, from launch through SRB separation, was taken 115 miles north of Launch Pad 39A at Kennedy Space Center. Ponte Vedra, Florida. (Photo and caption by James Vernacotola)

-National Geographic

Right in the Middle

Two hundred fifty million years ago, the super conitinent of Pangea was intact.

Two hundred fifty million years from now, the new super continent of Pangea Ultima will form.

~N.A.S.A.

This was me in high school math classes, I enjoyed Celtic knot work instead.