Visit the C&EN website to play our latest quiz: cenm.ag/august-21-quiz
A new approach to superresolution microscopy uses what type of labels?
Luminescent
Fluorescent
Radioactive
Magnetic
What type of algorithm aids the new superresolution microscopy technique?
Entropy weighted
Superresolution
Luminescence flow
Reaction driven
How are dopant-free conducting covalent-organic frameworks (COFs) made?
From neutral radical building blocks
With metallic catalysts
By incorporating organic solvents
With high pressure
A second chemical company, after BASF, has declared force majeure because of low water levels in the Rhine. Which company?
Covestro
Lanxess
Bayer
Evonik
Which companies announced positive results for their messenger RNA cancer vaccine this week?
Merck, Moderna
Pfizer, BioNTech
Johnson & Johnson, GSK
AstraZeneca, Sanofi
The cancer vaccine in the news this week prevents which disease from recurring?
Melanoma
Lung cancer
Breast cancer
Prostate cancer
Who has President Donald J. Trump nominated as head of theUS Food and Drug Administration?
Heidi Overton
Kyle Diamantas
Francis Collins
Daphne Zohar
C&EN used artificial intelligence in the development of this game, but all the questions and answers were checked by one of our human editors.
