Clear explanations of science, technology, money, health, psychology and the world around you.
Lightning and thunder are produced by the same event, but light reaches us far faster than sound. Here's why—and how the delay can provide a rough estimate of distance.
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Light does more than help you see. Evening exposure can tell your brain that the day is not over yet, affecting melatonin, circadian timing and when you naturally feel sleepy.
Handwashing does more than remove visible dirt. Proper hand hygiene helps interrupt pathways through which harmful microorganisms can spread.
A strong password is important, but it should not be your account’s only defence. Multifactor authentication adds another barrier when passwords are stolen or exposed.
A bleached coral is under stress, but it is not necessarily dead. If conditions improve in time, some corals can regain their algae and recover.
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Artificial Intelligence (AI) has shifted from being a futuristic concept to an invisible partner in our daily lives. In 2025, AI doesn’t just live in research l...
You wake up to another privacy policy update notification from WhatsApp, your heart sinks a little, and you wonder if your late-night conversations about that e...
Key Takeaways: Quick Reference Guide Essential Windows Screenshot Shortcuts PrtScn – Captures entire screen to clipboard Alt + PrtScn – Captures active window...
Investing the same amount regularly means each contribution buys different numbers of units as prices change. That can create discipline, but it does not eliminate investment risk.
An emergency fund is not designed to maximise returns. Its purpose is to give you accessible money when unexpected bills or income disruptions occur.
Diversification can reduce your dependence on a single investment, company, or asset type—but it cannot eliminate market risk or guarantee against losses.
In Australia, state governments are enacting sensible measures that lessen the initial financial strain of moving by enabling renters to pay the bond in install...
AP Photo/Tony Avelar, File Will Meta settlement reduce physical, mental health risks for young users? Christina Pazzanese Harvard Staff Writer Aug...
A bleached coral is under stress, but it is not necessarily dead. If conditions improve in time, some corals can regain their algae and recover.
You don't need to be sweating to lose water. Your body continuously loses fluid through breathing, urination and other normal processes, which is why hydration is about replacing losses rather than chasing a universal number.
Lightning and thunder are produced by the same event, but light reaches us far faster than sound. Here's why—and how the delay can provide a rough estimate of distance.
Who’ll win AI race? U.S.? China? Maybe no one. Economist Jason Furman says being first will likely matter only in some areas, but risks of systems going rogue...
Illustration by Andy Huang/Ikon Images ‘Lately, my algorithm is trash’ Are we shaping our feeds or are they shaping us? Liz Mineo Harvard Staff Write...
‘Harvard Thinking’: The healing power of gene therapy Illustrations by Liz Zonarich/Harvard Staff Samantha Laine Perfas Harvard Staff Writer Septemb...
A newly described ‘fire amoeba’ can reproduce at 63°C and recover after brief exposure to 70°C. Learn what this record reveals about heat damage, cellular protection and the limits of complex life.
