Do photons wear out? An astrophysicist explains light’s ability to travel vast cosmic distances without losing energy

The speed of light is the fastest anything can travel. What happens to a photon from a galaxy 25 million light years away on its journey toward Earth?

Jarred Roberts, Project Scientist, University of California, San Diego • conversation
May 20, 2025 • ~6 min

The spring clock change may affect your mind and body longer than you realise

Waking up early may help you to adjust faster though.

Stefano Arlaud, PhD candidate in Time Processing and Metacognition of Time Processing, SBBS, Queen Mary University of London, Queen Mary University of London • conversation
March 28, 2025 • ~7 min

Insomnia can lead to heart issues − a psychologist recommends changes that can improve sleep

Insomnia and bad sleep can lead to high blood pressure and increase hormone levels and inflammation.

Julio Fernandez-Mendoza, Professor of Psychiatry and Behavioral Health, Neuroscience, and Public Health Sciences, Penn State • conversation
March 20, 2025 • ~8 min

Daylight saving time and early school start times cost billions in lost productivity and health care expenses

The current system − daylight saving time and early school start times − wastes billions while causing more car accidents, workplace injuries and health issues.

Joanna Fong-Isariyawongse, Associate Professor of Neurology, University of Pittsburgh • conversation
March 7, 2025 • ~10 min

How Daylight Savings Time Affects Health
VOA Learning English • voa
March 6, 2025 • ~5 min

How does daylight saving time affect investors?

Research digs into the effects of daylight saving time on investors' processing of earnings news.

Holly Frew - Georgia State U. • futurity
March 6, 2025 • ~7 min

What does daylight saving time do to your body?

A one-hour adjustment to the clock on the wall may not sound dramatic. But our biological clock begs to differ.

Talia Ogliore-WUSTL • futurity
Feb. 27, 2025 • ~5 min

From Messi to Mika Häkkinen: how top athletes can slow down time

Many top drivers report feeling like they drive in slow motion.

Steve Taylor, Senior Lecturer in Psychology, Leeds Beckett University • conversation
Feb. 26, 2025 • ~7 min

Saying ‘No’ at Work Can Be Good for Your Health
VOA Learning English • voa
Feb. 17, 2025 • ~6 min

The weird psychology of airports

National borders, time and place all dissolve at airports, making some people very anxious while others feel liberated.

Steve Taylor, Senior Lecturer in Psychology, Leeds Beckett University • conversation
Jan. 31, 2025 • ~7 min

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