PrEP, the FDA-approved HIV prevention medication, has become an increasingly popular safeguard among gay and bisexual men; however the pill is not without controversy. CNN's Sanjay Gupta reports.

The interstitium, the shock-absorbing tissue underneath the skin, gut and blood vessels, has been identified as an organ for the first time according to a new study.

Pollination is the process by which pollen is transferred in the reproduction of plants, thereby enabling fertilization and sexual reproduction. This wonderful video demonstrated how we all are dependent to each other in the life cycle.

I was out fishing and thought it would look cool to record some Mosquitoes suck blood in HD macro.

Italy starts opening their economy to the world after many weeks of lockdown during the coronavirus pandemic.

These dolphins were NOT injured in anyway. They Swam FASTER than the boat was going by far in fact, they passed US like we were going still! They were having fun surfing off our bow. If you've ever been in a boat in the ocean you know dolphins do this all the time. We just haven't seen this many of

Lyrics:"You know what spreads faster than any virus
Is fear When it comes to fear you can either forget everything and run I said I (I) Or you can face everything and rise I believe (I believe)
And let me tell you what I believe I believe that (I believe that) I believe we gonna fac...

The use of solar energy to power the world

In this instructional video, you will be shown how to properly label, store and pack your breast milk for donation to help premature infants in the neonatal intensive care unit (NICU).

Strong tornado on the north side of Philadelphia, MS... within 100 yards this powerful tornado crosses the road, the chase continues, and our thoughts are with those in Tuscaloosa and Birmingham, Alabama... very sad situation...