This Valentine's Day, show your love with the help of science. These nerdy gifts take their inspiration from laboratories and science classrooms.

1. MICROBE BOUQUET; $50

Instead of giving your partner the standard assortment of flowers, give them this bouquet of plush germs. The pack includes cuddly chlamydia, herpes, and mono. There's two of each, so you can share.

Find it: ThinkGeek

2. HEART NEBULA CUFFLINKS; $28

Way, way out in space (7500 light years from Earth), there is a very romantic nebula that gives off red gas and looks like a heart. Uncommon Goods put the aptly named Heart Nebula (which is part of the Heart and Soul complex) on a pair of cufflinks to create the perfect gift for astronomers and space enthusiasts.

Find it: UncommonGoods

3. THE SCIENCE OF KISSING; $20

Scientific minds like to break things down and examine them from every angle—including kissing. In this book, author Sheril Kirshenbaum looks into the history and science of smooching, from when humans first started puckering up to why men and women kiss differently.

Find it: Amazon

4. HEART COASTERS; $22

When this coaster set is stacked, it creates a full image of an anatomically correct heart. Each of the six coasters has a different slice of the heart printed onto a transparent slide.

Find it: Amazon

5. 'I LOVE YOU' BEAN PLANT; $7

This unique Valentine's Day gift starts as a simple bean. Plant it, add a little water, and wait: After three to five days, the plant will sprout and eventually display the phrase "I love you."

Find it: ThinkGeek

6. ANATOMICAL HEART PENDANT; $150

This anatomically correct heart takes a different approach to romantic jewelry. The delicate pendant is hand-cast in bronze and plated in rose gold.

Find it: UncommonGoods

7. PLUTO AND CHARON SHIRT; $24

Pluto might be out of the solar system, but at least it has its moon buddy, Charon. This T-shirt's charming illustration depicts a happy relationship between the planet and moon. All the shirts are printed to order, which means you can't return or exchange, so be careful when ordering.

Find it: Busted Tees

8. DOPAMINE NECKLACE; $32

The chemical dopamine is often associated with love, desire, happiness, and excitement. Hopefully you and your partner feel these things when you're together, so celebrate the wonderful chemical with a 24-karat rose gold plated necklace.

Find it: Etsy

9. MISS FRIZZLE PRINT; $18

Miss Frizzle and The Magic School Bus helped a lot of children get interested in science. If your significant other loves science thanks to the iconic cartoon, get them a print of everyone's favorite eccentric teacher. The design also comes on clothes, a clock, or a mug.

Find it: Society6

10. CHOCOLATE BRAINS; $21

Skip the cliché box of chocolates and go for something a little more ... intellectual. These pink chocolate brains are perfect for studious individuals and zombie lovers alike. Each box comes with 12 individually wrapped brains.

Find it: Etsy