Use of auditory icons as emergency warnings in real cars and simulated worlds

What happens when you replace generic beeps with horn and tyre sounds in collision warnings, and what that tells us about safer in-vehicle alerts.

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Big Cars, Small Freedom

How oversized SUVs and pickup trucks are sabotaging walkable cities, safety, and climate — and why we need to deflate the big-car arms race.

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Loud Cities, Quiet Streets

Urban noise pollution comes overwhelmingly from cars, not cities themselves—and we already know how to design quieter, healthier streets.

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The Fastest Way Around Boston: Bikes vs the T from Cleveland Circle

Using travel-time maps from Cleveland Circle, we compare cycling and the MBTA to see which is really faster for getting around Boston.

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Age-Related Changes in Driver Attention

As populations age, understanding how attention, vision, and hearing change behind the wheel can help design safer roads, vehicles, and alerts for drivers of all ages.

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Bike Horn User Interfaces: Taps, Presses, and Toggles

How modern bike horns use taps, presses, and directional gestures to give riders both polite bells and emergency car-level warnings.

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Cycling and Mental Health: How Two Wheels Protect Your Mind

How everyday cycling reduces depression, anxiety, and stress—and how small safety upgrades like lights and loud horns help more people ride.

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Cycling for Physical Health: Turning Everyday Trips into Exercise

How everyday cycling improves heart, metabolic, and musculoskeletal health—and how simple safety upgrades like lights and car-horn-loud bicycle horns make it easier to ride consistently.

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Sex Differences in Driver Risk and Behavior

What the evidence actually shows about male and female drivers: exposure, risk-taking, crash rates, injury vulnerability, and how much of the gap is culture versus biology.

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Beyond Home and Work: Bikes, Third Places, and Social Health Across the Lifespan

How walking, cycling, and people-first streets can cut loneliness and rebuild social health from childhood through older age in car-centric societies.

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The Importance of Covering Your Eyes When Biking

Why cyclists should treat eye protection as essential safety gear, from debris and UV to glare, reaction time, and long-term vision health.

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Cycling for Environmental Health: Air Quality, Noise, and Population-Level Benefits

How shifting everyday trips from cars to bikes cuts air pollution, reduces harmful noise, and delivers outsized population-level health benefits.

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Your Lizard Brain on Loud Horns: Why Sound Beats Sight in Traffic Emergencies

How human hearing reacts faster than vision, how loud warning sounds tap into fight-or-flight circuits, and what this means for safe car and bicycle horn design.

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Growing Up on Two Wheels: How Independent Mobility Builds Healthier, Happier Kids and Teens

Evidence from Amsterdam, the Netherlands, and beyond shows that kids who walk and cycle independently gain physical, cognitive, and mental health benefits that last into adulthood.

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Staying Upright, Staying Independent: How Everyday Mobility Protects Health in Older Age

From walking speed to bicycle trips to the shops, everyday mobility is one of the strongest predictors of health, independence, and quality of life in older adults.

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How Your Ears Pinpoint Danger in Traffic When Hearing a Car Horn

A deep dive into how the brain localizes sound, why broadband and familiar horn timbres work best, and what this means for safer streets.

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Biking in Cold Weather

How to bike safely and comfortably in cold weather with the right winter gear, visibility, and mindset.

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