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What change allows thermosets to be recycled up to 12 times?
• Adding ethyl and methyl groups to the maleimides
• Linking the maleimides to N-hydroxysuccinimide esters
• Using higher temperatures while the material is reshaped
• Switching to biobased molecules
Which rover discovered aromatic organic molecules on Mars?
• Perseverance
• Curiosity
• Spirit
• Opportunity
How much start-up funding has Serif Biomedicines launched with?
• $25 million
• $75 million
• $50 million
• $100 million
What is the acquisition price for Serra Verde’s rare earth mine?
• $1.8 billion
• $2.8 billion
• $3.8 billion
• $4.2 billion
Which other acquisition do USA Rare Earth executives say complements their purchase of Serra Verde?
• Lynas Rare Earth’s Malaysian facility
• The rare earth processing firm Carester
• Rainbow Rare Earths’ Burundi project
• Freyr battery’s site in Georgia
How many graduate research fellowships did NSF award for the coming academic year?
• 1,504
• 2,000
• 2,599
• 3,100
What temperature does the molybdenum filament reach in the two-step methane conversion reactor?
• Above 1,200 °C
• Above 1,400 °C
• Above 1,600 °C
• Above 1,000 °C
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.
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