Photo by temitade.

TALK: Duh nuh… duh nuh… Washington Post environmental reporter Juliet Eilperin will make you afraid to go in the ocean during her shark talk, “Demon Fish: Travels Through the Hidden World of Sharks” at National Geographic Live! (1600 M Street NW). 7:30 p.m. $18.

ARTS: Head to Forum Theatre at Round House Theatre Silver Spring (8641 Colesville Road, Silver Spring) tonight for the DC Hearts the Arts Showcase, featuring a performing arts fashion show, live music, theatre monologues, magicians, food and drink, and more. 5-9 p.m. Free.

MUSIC: Wild Fruit, Sleeping in the Aviary, and Paperhaus play the Velvet Lounge (915 U Street NW) tonight. 9 p.m. $8.

MOVIES: The D.C. chapter of Back on My Feet hosts a Spirits & Cinema event at Vista Green (475 K Street NW). Cocktail hour from 6:30-7:30 p.m., followed by the movie. $25 includes wine, food, and the movie, and goes to support Back on My Feet.