Ousama Kassir

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The momentous transition to multicellular life may not have been so hard after all

Billions of years ago, life crossed a threshold. Single cells started to band together, and a world of formless, unicellular life was on course to …

Biology

An Ancient Virus May Be Responsible for Human Consciousness

You've got an ancient virus in your brain. In fact, you've got an ancient virus at the very root of your conscious thought.<p>According to two papers …

Mathematicians Crack the Cursed Curve

A famously difficult mathematical problem resisted solution for over 40 years. Mathematicians have finally resolved it by following an intuition that …

Rare And Mysterious Vomiting Illness Linked To Heavy Marijuana Use

For 17 years, Chalfonte LeNee Queen suffered periodic episodes of violent retching and abdominal pain that would knock her off her feet for days, sometimes leaving her writhing on the floor in pain.<p>"I've screamed out for death," says Queen, 48, who lives in San Diego. "I've cried out for my mom, …

Cannabis

Unconscious Patient With 'Do Not Resuscitate' Tattoo Causes Ethical Conundrum at Hospital

When an unresponsive patient arrived at a Florida hospital ER, the medical staff was taken aback upon discovering the words “DO NOT RESUSCITATE” …

Medicine

The Overlooked Link Between Two of This Year’s Nobel Prizes

To better understand the molecules described by the latest prize in medicine, we will need the technique recognized by the latest prize in …

The Strange and Gruesome Story of the Greenland Shark, the Longest-Living Vertebrate on Earth

Greenland sharks are among nature’s least elegant inventions. Lumpish, with stunted pectoral fins that they use for ponderously slow swimming in cold and dark Arctic waters, they have blunt snouts and gaping mouths that give them an unfortunate, dull-witted appearance. Many live with worm-like …

Biology

Cities That Never Sleep Are Shaped by Sunrise and Sunset

Long after the sun has gone down, the electric lights keep blazing. That might suggest that most humans aren’t as influenced by Earth’s light-dark cycle as we used to be.<p>But a new study, drawing on the cellphone call records of more than a million people, shows that the times of day when they are …