Announcing our "Pre-Holiday" sale on science t-shirts!

We've got a pre-holiday sale running this month in all our shops!

In our Science T-Shirts USA and Egyptian Hieroglyphics shops, get free shipping on orders of $50+, until Nov 23rd. (Cost before tax and shipping.) Only valid on standard US shipping. Check for the coupon code on the left sidebar of the shop.

In our Science T-Shirts EU shop, take 15% off all items until Nov 23rd. (Cost before shipping.) Check for the coupon code on the left sidebar of the shop.


November marks the anniversary of Darwin's Origin of the Species. Don't forget our continuing discount on our popular "Darwin Tree" shirts!


Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter! You can also check us out on twitter.

- YI

Free shipping on science t-shirts! Special weekend sale

This weekend only, we have a special free shipping deal!

In our Science T-Shirts USA and Egyptian Hieroglyphics shops, get free shipping on orders of $30+ (before tax and shipping), until Sunday Nov 8th only. Only valid for standard domestic US shipping. Check for the coupon code on the left sidebar of the shop.

Don't forget to check out our holiday science t-shirts! We'll be adding more as we get closer to the holidays.

H2O Snowman: only $15.99

Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter! You can also check us out on twitter.

- YI

New release: Scientific method typography t-shirt!

Our latest science t-shirt features a stylish typography design based on the scientific method. Stop by and check it out!


Order it for US/International delivery (US$) or for Euro delivery (€Euro)!


Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter! You can also check us out on twitter.

- YI

Halloween Sale on science t-shirts, reloaded!

We're reloading our Halloween Sale for the remaining few days until the end of the month...

In our Science T-Shirts USA and Egyptian Hieroglyphics shops, get $5 off $17+ , until Oct 31st. (Cost before tax and shipping.) Only valid on domestic US shipping. Check for the coupon code on the left sidebar of the shop.

In our Science T-Shirts EU shop, take 3€ off orders of 17€+ until October 30th. (Cost before tax and shipping.) Check for the coupon code on the left sidebar of the shop.


And don't forget our continuing discount on our popular "Darwin Tree" shirts!



Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter! You can also check us out on twitter.

- YI

New release: Grape flavor chemical structure t-shirt

If you love chemistry t-shirts, grape flavor, or purple, then we've released the perfect t-shirt just for you ;) .

Meet our new t-shirt in "grape flavor" (methyl anthranilate) :


Order it for US/International delivery (US$) or for Euro delivery (€Euro)!
And don't forget that you can also make your own special version in our chemical structure t-shirt designer.


Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter! You can also check us out on twitter.

- YI

The Halloween Sale on science t-shirts begins!

Halloween brings a special sale treat!


In our Science T-Shirts USA and Egyptian Hieroglyphics shops, get free shipping when you buy 2 or more items, until Oct 26th. Only valid on domestic US shipping. Check for the coupon code on the left sidebar of the shop.

In our Science T-Shirts EU shop, take 3€ off orders of 17€+ until October 26th. (Cost before tax and shipping.) Check for the coupon code on the left sidebar of the shop.

Glow-in-the-dark Ribs shirt

Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter! You can also check us out on twitter.

- YI

Fall sale on science and hieroglyphics t-shirts

With fall leaves come fall sales!

In our Science T-Shirts USA and Egyptian Hieroglyphics shops, take $5 off orders of $17+ until Sept 30th. (Cost before tax and shipping.) Check for the coupon code on the left sidebar of the shop.

In our Science T-Shirts EU shop, take 3€ off orders of 17€+ until Sept 30th. (Cost before tax and shipping.) Check for the coupon code on the left sidebar of the shop.


Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter! You can also check us out on twitter.

- YI

Special sale on "Darwin Tree" shirts

We know how much you love our iconic "Darwin Tree" shirts, and that's why we've got a special sale on them just for you!

$2/2€ off Darwin Tree shirts until Sept 13th only. Click on your currency below to view!




Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter! You can also check us out on twitter.

- YI

Extended: Back to school sale on science t-shirts!

Since you liked it so much, we've just extended our back to school sale for another few days. So there's still time to pick up your favorite science t-shirt for the new semester!
We'd also like to remind you again that our US standard shipping is now even cheaper! Shipping now starts at just $4.50.


In our Science T-Shirts USA and Egyptian Hieroglyphics shops, take $3 off orders of $17+, or take 15% off orders of 3 or more items. Now until Aug 28th. Check for the coupon code on the left sidebar of the shop.

In our Science T-Shirts EU shop, take 3€ off orders of 17€+ until Aug 28th. Check for the coupon code on the left sidebar of the shop.


Lastly, we have some geology shirts on special additional sale this week! Just $17.99 each, in several styles and colors.


Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter! You can also check us out on twitter.

- YI

Back to school sale on science t-shirts, and new cheaper shipping!

The new school semester is right around the corner, so we've got some special sales to help you pick up some new shirts for the school year. We'd also like to announce that our US standard shipping is now even cheaper! Shipping now starts at just $4.50.

In our Science T-Shirts USA and Egyptian Hieroglyphics shops, take $3 off orders of $17+, or take 15% off orders of 3 or more items. Sale lasts until Aug 24th. Check for the coupon code on the left sidebar of the shop.

in our Science T-Shirts EU shop, take 15% orders of 35€+ until Aug 23st. Check for the coupon code on the left sidebar of the shop.

And don't miss our Ethanol Science Shirt! Just $16.99.

Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter! You can also check us out on twitter.

- YI

End of July Sale on Science T-Shirts

Stop by our shops for a special end of July summer sale!

In our Science T-Shirts USA and Egyptian Hieroglyphics shops, take $3 off orders of $17+ until Aug 1st. Check for the coupon code on the left sidebar of the shop.

in our Science T-Shirts EU shop, take 3€ off orders of 17€+ until Aug 1st. Check for the coupon code on the left sidebar of the shop.


We also have a new t-shirt available this week, Explosion Hazard.


Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter! You can also check us out on twitter.

- YI

Summer Sale on science t-shirts continues with discounts and free shipping!

Our summer sale continues with special offers:

In our Science T-Shirts USA and Egyptian Hieroglyphics shops, take $3 off orders of $17+ ! Now extended until July 19th. Check for the coupon code on the left sidebar of the shop.

In our Science T-Shirts EU shop, we have free shipping on orders of two or more items! July 16-19th only. Check for the coupon code on the left sidebar of the shop.

Our shirt special during the sale is our "I'm Vaccinated" t-shirt: share your support for vaccination!


Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter!

- YI

Summer Sale on Science T-Shirts

Stop by our shops for a special summer sale!

In our Science T-Shirts USA and Egyptian Hieroglyphics shops, take $3 off orders of $17+ until July 15th. Check for the coupon code on the left sidebar of the shop.

in our Science T-Shirts EU shop, take 3€ off orders of 17€+ until July 15th. Check for the coupon code on the left sidebar of the shop.


Our shirt special during the sale is our "I'm Vaccinated" t-shirt: share your support for vaccination!


Don't forget to check out our Science Books area if you're looking for some summer reading or a nice science-themed book for kids.


Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter!

- YI

June Sale on Science T-Shirts!

Summer's here, the weather's hot, and it's t-shirt time!


In our Science T-Shirts USA and Egyptian Hieroglyphics shops, take $5 off orders of $17+ until June 28th. Check for the coupon code on the left sidebar of the shop.

in our Science T-Shirts EU shop, take 3€ off orders of 17€+ until June 28th. Check for the coupon code on the left sidebar of the shop.


We also have our new "Benzene Pirate" shirts on sale this week! Perfect for your favorite chemist or pirate!



Don't forget to check out our Science Books area if you're looking for some summer reading or a nice science-themed book for kids.


Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter!

- YI

New science t-shirts, including our latest "Benzene Pirate" tee!

We've got some new science tees on deck, stop by and have a look!

'Benzene Pirate' Chemistry T-Shirt!


'Penrose Triangle' Math T-Shirt!



'Oseltamivir ("tamiflu")' Science T-shirt!


'Peace Love and Chemistry' Science T-Shirt!

Don't forget we have a Father's Day Sale happening right now too!

Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter! You can also check us out on twitter.

-YI

Father's Day science t-shirts sale at YellowIbis.com

Show your appreciation for your favorite science dad with a great science t-shirt on sale!

In our Science T-Shirts USA and Egyptian Hieroglyphics shops, take $5 off orders of $17+ until June 15th. Check for the coupon code on the left sidebar of the shop. We also have an alternate coupon for 10% off men's products on orders of $30+ with coupon code JUNE19, valid until June 22nd.

And in our Science T-Shirts EU shop, take 5€ off orders of 17€+ until June 15th. Check for the coupon code on the left sidebar of the shop.


We also have our "I brake for rocks" shirts on sale this week! Perfect for your favorite geologist or rock climber.


Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter! You can also check us out on twitter.

-YI

Special weekend sale at YellowIbis.com!

Just in time for the weekend!

Our 3-day sale is underway and ends Monday night! Discounts valid on all science t-shirts and egyptian hieroglyphics t-shirts!

In our Science T-Shirts USA and Egyptian Hieroglyphics shops, take $5 off orders of $17+ until April 20th. And in our Science T-Shirts EU shop, take 5€ off orders of 17€+ until June 1st.

Just check for the coupon code on the left sidebar of our shops.


We also have a special sale price on our caffeine shirts while the above sales last, so be sure to visit and have a look.


Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter! You can also check us out on twitter.

-YI

Special Sale on science t-shirts: up to 25% off!

Announcing our next sale for spring!

In our Science T-Shirts USA and Egyptian Hieroglyphics shops, take 25% off when you buy two or more items! Sale lasts until May 26th. Coupon code is on the left sidebar of the shop.

In our Science T-Shirts EU shop, take 5€ off orders of 16€+ until May 26th! Coupon code is on the left sidebar of the shop.


This week we also have a new design: vanillin! On offer as both pre-designed shirts, and in the ' make your own chemical shirt' area.


Don't forget to check out our Science Books area if you're looking for some summer reading or a nice science-themed book for kids.


Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter!

- YI

New Egyptian Hieroglyphics design!

We have a new Egyptian Hieroglyphics design now available! The shirt features the Middle Egyptian word for 'heaven', "bi3yt", in real hieroglyphics on the front with the English translation on the back. The shirt comes in lots of styles and colors, so stop by the Egyptian Shop and check it out!
We also have a lot of other Egyptian products available, and we'll be adding new designs in the coming weeks. And don't forget that our "School's Out" sale applies equally to Egyptian products.


Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter!

- YI

"School's Out" Sale on Science T-Shirts!

School's finally out! ... unless you're a grad student. :(
Whether you'll be looking inside or outside the school windows this month, stop by and check out some new threads for summer with our special sales:

In our Science T-Shirts USA and Egyptian Hieroglyphics shops, take $5 off your order of $16+ until May 9th! Coupon code is on the left sidebar of the shop. Added bonus: our Mother's Day coupon is also extended until May 8th: take $20% off orders of $25+ when you add a women's shirt to your order, by using coupon code MAY19.

And in our Science T-Shirts EU shop, take 5€ off orders of 16€+ until May 9th! Coupon code is on the left sidebar of the shop.


We also have a special sale price on our caffeine shirts while the above sales last, so be sure to visit and have a look.


Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter!

- YI