Why your next flight might be inspired by a shark

Science · Published 8 October 2026 Swipe more like this →

In short: Aviation is facing a massive efficiency crisis as fuel costs now outweigh labor expenses for most airlines. To combat soaring emissions and high prices, engineers are moving beyond standard upgrades to study nature's designs—specifically looking at how animals like sharks move through water to reshape the future of flight.

The aviation industry is currently navigating a complex economic and environmental landscape. For U.S. carriers, fuel costs have surpassed labor as the primary operational expense, accounting for roughly 40 percent of operations—a figure that reached $47.3 billion last year alone. While domestic flight efficiency has improved by over 40 percent since 2000, reaching an average of 0.54 aircraft-miles per gallon, global carbon emissions from aviation are projected to potentially jump by 500 percent by 2050 due to rapid traffic growth.

Previous milestones like the Boeing 787 Dreamliner demonstrated significant progress by using lightweight composite materials and improved aerodynamics to consume 20 percent less fuel than its predecessors. However, these gains are insufficient for the scale of the problem. Current efforts are shifting toward radical innovations, including geared turbofan engines and entirely new aircraft shapes. One of the most intriguing frontiers in this research is biomimicry: engineers are investigating marine life, such as sharks, to understand how their bodies minimize drag and maximize movement efficiency.

The goal is a fundamental transformation of flight mechanics rather than incremental updates. While renewable jet fuels exist, they remain more expensive than traditional petroleum-based kerosene. Therefore, the industry's focus on materials science—such as replacing mechanical components with electronics powered by lithium-ion batteries—and nature-inspired designs represents a high-stakes race to make long-haul travel both economically viable and environmentally sustainable.

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