The Knowledge Society will host an online talk for teens, AI with Uber & Google, on April 25, 4PM-5:30PM, with the head of applied AI at Google and the former head of AI at Uber. It’s free, but limited spots are available and by invitation. Apply for an invitation by April 23. Future talks are planned on Quantum Computing, Self-Driving/Flying cars, Space Technology, and more.

Celebrating its first 15 years, the Broad Institute in Cambridge is hosting Broad@15, a series of free, public lectures. On April 28, 5PM-6PM, Core Institute Member Aviv Regev will speak on The Human Cell Atlas: “Google Maps” to Navigate the Human Body in Health and Disease. View live stream here. You can view video of previous talks via links at broadinstitute.org/15.

On April 9, 7-9PM, Manifest Boston will live-stream a conversation about engineering biology, highlighting a new book, Neo.Life: 25 Visions for the Future of Our Species. Register here. The conversation will be in Long Conversation format (“a daisy chain of timed but spontaneous 2-person dialogues with no slides and no moderator”) featuring:

• Christina Agapakis — Synthetic biologist, artist, creative director at Ginkgo Bioworks
• Siranush Babakhanova — Transhumanist, founder of the MIT student group Xapiens
• Brian Bergstein — Deputy opinion editor, Boston Globe and coeditor of Neo.Life
• George Church — Harvard professor of health sciences and technology
• Juan Enriquez — Futurist, author, managing director of Excel Venture Management
• Steve Ramirez — Neuroscientist, professor at Boston University
• Jason Kelly —  President of Ginkgo Bioworks
• Jen Reddy — Wired Ventures Co-Founder; NEO.LIFE Founder and CEO

Boston College will hold BC Splash on Sunday, March 29, 10AM-4PM.  Splash is a one-day, student-run program in which undergraduates and graduate students teach mini-courses for students in Grades 7-12. There’s also an optional Parent Program for learning about Boston College, student life, and admissions.  Registration is required, is first-come/first-served, and is open until March 27. There’s a $5 fee for the day, which includes a pizza lunch. Registrants will receive an online link for payment one week before the event. For more information, email bcsplash@gmail.com or call at 617-297-7524. STEM-related classes in the course catalog include:

• Poker Master: Introduction to Probability Theory
• The Art of Integration
• Jumping Genes: Mechanism and Implications
• Paper Chromatography of Inks: A Forensic Investigation
• Introduction to Genetics
• Straws and Turtles: Our Global Plastic Pollution Problem
• Just the Basics: Intro to Acid/Base Chemistry
• Organic Chemistry in 50 Minutes

The Ecotarium in Worcester will host a new exhibit, Amusement Park Science, March 14 through May 10. The opening day celebration on March 14, 10:30AM-3:30PM, will feature a dozen interactive features. The event is included with paid admission to the museum.

The New England Aquarium will celebrate Marine Mammals Day on March 22, 10AM-3PM, with special exhibits and activities throughout the aquarium.

The Hanover Theatre in Worcester, in partnership with the Ecotarium, will present a series of three National Geographic shows:

• March 16: The largest predatory dinosaur yet discovered
• April 9: Ancient Egypt’s women rulers
• May 14: Saving endangered species through the Photo Ark

Tickets are $35 each or $95 for the series.

Empow Studios (180 Needham Street in Newton) will host a free Robotics Expo on April 4, 3PM-5PM in honor of Robotics Week. It will feature demonstrations of robots from local businesses and FIRST Tech Challenge teams.