No purchase necessary to enter or win. Participation is open only to life science professionals 21 years or older, excluding Puerto Rico and the Canadian province of Quebec, who are able to correctly answer 3 of the 5 quiz questions. Only the first 250 participants who can submit correct answers to 3 of the 5 questions are eligible to win a prize. The contest starts on January 1, 2017 at 7:00 a.m. US Pacific time and ends once 250 eligible participants have correctly answered 3 of the 5 quiz questions, or on December 31, 2017 at 7:00 p.m. US Pacific time, whichever comes first. Healthcare Professionals (term defined in the complete terms and conditions) and Government Officials (term defined in the complete terms and conditions) located outside of North America may not participate in this promotion. The 250 eligible participants will each receive a clings and mat set (approximate retail value of $5 USD). You can enter as many times as you want, but there will be only one prize per winner. By submitting your quiz answers, you warrant that you are not prohibited by employment, contract, or law from accepting a prize from the Sponsor. Offer void where prohibited, licensed, or restricted by federal, state, provincial, or local laws or regulation or agency/institutional policy. Other restrictions may apply. Complete terms and conditions are available here .