Harmat Brar

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One-third of the world cannot see the Milky Way -- why that matters

<b>(CNN) —</b> If you look up at the evening sky, there's a good chance you will not be able to see what your grandmother saw when she was a little girl.<p>That's because we're enshrouded in an artificial haze of light that is blocking the night sky, a phenomenon scientists call light pollution.<p>Scientists …

Why We Cringe at the Sound of Our Own Voices

If you’ve ever heard your own voice played back on a recording and thought “do I <i>really</i> sound like that?” you’re not alone. Most of us at least cringe …

Self-esteem

Scientists clone Zika virus in step toward vaccine

<b>London (CNN) —</b> Scientists have for the first time cloned the Zika virus, a development that could bring a desperately needed vaccine within closer reach.<p>The mosquito-borne virus -- which can also be sexually transmitted -- has torn through Latin America in recent months, bringing an increase in …

Public Health

Pilots 'very likely' to misjudge flying conditions due to irrational decisions

Pilots are prone to making poor decisions while flying in bad weather because of irrational thinking habits, according to new research.<p>Three kinds of …

Psychology

7 Surprising Ways Evolution Is Changing Human Physiology

<i>What are humans evolving into, or out of? originally appeared on Quora:</i> <i>the knowledge sharing network where compelling questions are answered by people with unique insights</i>.<p><b>Answer by Emmanuel Fabella, M.D., ex-zoologist, on Quora:</b><p>The data suggests that our species is evolving into:<p><b>Delayed menopause</b>. …

Biology

People who possess this one thing enjoy much better health as they age, science shows

We began meeting every week in 1998, eight women, mostly in our 30s, some married, some single, most of us enjoying professional success and the energy of relative youth. Ostensibly, we were a Bible study. But as we inched toward midlife, the time we spent talking about our lives — about bosses and …

The Evolutionary Power of Loneliness

The pain of isolation may be what motivates people to make friends.<p>As social animals, we depend on others for survival. Our communities provide mutual aid and protection, helping humanity to endure and thrive. “We have survived as a species not because we’re fast or strong or have natural weapons …

Neuroscience