Mole Day

Worldwide

Celebrated annually on October 23 from 6:02AM to 6:02PM, Mole Day commemorates Avogadro's Number (6.02 x 10^23), which is a basic measuring unit in chemistry.

Science and Nonduality Conference

Dolce Hayes Mansion 200 Edenvale Avenue, San Jose, CA, United States

When we begin to explore the fabric of reality either through the lens of science or through the lens of spirituality, a deeper understanding and experience of what we call reality emerges as infinite, ever present, interconnected whole.

Bay Area Science Festival

various locations, see website for detailed schedule CA

The festival will provide a wide range of science and technology activities - lectures, debates, exhibitions, concerts, plays, workshops, etc. - at a variety of locations throughout the Bay Area.

Partial Solar Eclipse

From behind appropriate protective lenses CA, United States

Watch the new moon take a bite out of the sun’s disk during the afternoon hours on October 23, 2014.

SuperNatural Halloween at the Academy of Sciences

California Academy of Sciences 55 Music Concourse Drive, San Francisco, CA, United States

Grab your costume and have yourself a ghoulishly great time trick-or-treating your way through the Academy at night, among spooky skulls and spine-tingling specimens!

Boo at the Zoo

Oakland Zoo 9777 Golf Links Road, Oakland, CA, United States

Visit Oakland Zoo for our annual Halloween event, Boo at the Zoo! Stroll the Zoo in costume and collect yummy treats.

CANCELLED – The Top Tourist Sights of the Solar System

Cushing Memorial Amphitheater Rock Springs Trail at E Ridgecrest Boulevard, San Rafael, CA, United States

Rangers at Mt. Tamalpais State Park have had to CANCEL tonight's presentation due to wet conditions at the open-air venue. Please trust that Wonderfest Science will do its best to re-present this event in the near future.

Boo at the Zoo

Oakland Zoo 9777 Golf Links Road, Oakland, CA, United States

Visit Oakland Zoo for our annual Halloween event, Boo at the Zoo! Stroll the Zoo in costume and collect yummy treats.

Nerd Nite East Bay

The New Parkway Theater 474 24th Street, Oakland, CA, United States

Nerd Nite is a monthly event held in more than 75 cities across the globe during which several folks give 18-21-minute, fun-yet-informative presentations across all disciplines - while the audience drinks along. And there are often bands, acrobats, trivia, and other shenanigans as well.

Are We Alone in the Cosmos?

Thurgood Marshall High School 45 Conkling Street, San Francisco, CA, United States

Premier planet hunter Geoff Marcy and expert alien detective Dan Werthimer will debate this most fascinating of scientific questions: Are We Alone in the Cosmos?