Personalized Science Doesnt Care What You Believe Scientist T-Shirt. Research assistant or science teacher design is also fun for that future scientist and says science doesnt care what you believe. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.