The amazing science educator and cetacean researcher, DR. VANESSA PIROTTA joins us again from Sydney, Australia and takes on the BIGGEST IF yet: What if WHALES decided to RETURN TO LAND? How would their bodies need to adapt? How would they communicate? What would they eat? Would they eat us? Could we ride them? And we also ponder the MYSTERY OF DOLPHIN HAPPINESS. Why so happy, dolphins? What's the secret? Or is it all a facade...? Let's follow Dr. Pirotta as she leads our expedition to the CETACEAN INVASION. What The IF!!!!!

LEARN MORE about Dr. Pirotta's research, see magnificent PHOTOS, and enjoy her super engaging DEMONSTRATIONS -- all on her WEBSITE: VanessaPirotta.com

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Thanks and Keep On IFFin'!

-- Philip & Matt