Who should get the seasonal flu vaccine? Why is the flu vaccine different each year? How does the flu vaccine protect us? The CDC has estimated that seasonal influenza or the flu is responsible for around 50,000 deaths worldwide each year1. In 1918, the “Spanish flu” pandemic killed over 6,750,00 people in the U.S. and caused over 50 million deaths worldwide2. The more recent 2009 pandemic flu resulted in over 200,00 deaths during its first year of circulation in the human population1.
Why does the immune system sometimes go haywire and cause allergies? Scientists now think that a healthy immune system needs training early in life by unlikely allies: microbes. How can microbes be our friends in the face of allergies, and why are these disorders getting more common recently?
Marine animals face a lot of potential issues when swimming through the water. One wrong turn, and you could end up as someone else’s next meal. Not turning enough could result in bumping into a lot of things. But there is one important feature found everywhere that they have to face almost all the time, and this feature is rarely seen – vortices.
Although we need sleep to survive and spend a significant portion of our lives sleeping, we actually know very little about why sleep is important or how it is regulated in the brain. Scientists use the humble fruit fly to answer some of these questions, in the hopes of eventually understanding human sleep and even treating human sleep disorders.
Deep beneath the ocean, far beyond the reach of the sun’s rays, the waters pulsate and twinkle with electric blue light. Not distant stars, but marine organisms create this otherworldly glow, an enchanting adaptation called bioluminescence.