Researchers have discovered that a common food emulsifier—the kind you might find in your pantry—could solve one of rocketry's most persistent engineering challenges.

For decades, engineers have struggled with choosing between solid and liquid rocket fuels, each offering different advantages. Scientists have long pursued hybrid gel fuels as a middle ground, but gels come with their own complications. Now, a breakthrough suggests that everyday food additives might help overcome these obstacles, potentially making rocket propulsion more efficient and practical. Read the full story →

Today's takeaway: Sometimes the solutions to our biggest challenges are hiding in plain sight—or in this case, in the grocery aisle.