The Earth's inner core, which boasts temperatures exceeding 9,000 degrees Fahrenheit (5,000 degrees Celsius), may not evoke images of a winter wonderland. Yet, a new study by a team of scientists led by Youjun Zhang, an associate professor at Sichuan University in China, asserts that the deepest part of our planet may be covered with a 200-mile-thick layer of "snow." However, before you rush to pack your skis, be aware that the "snowflakes" are not composed of frozen water crystals, but of tiny particles of iron!
On Monday, January 20, 2020, Americans will celebrate Martin Luther King (MLK) Day. The federal holiday, commemorated annually on the third Monday of January, serves multiple purposes. It honors the life and legacy of the activist who led the fight for racial equality, brings focus on current civil rights issues, highlights the power of using nonviolence to bring about social reform, and inspires young people to consider joining public service.
Though bushfires are a common occurrence in Australia during the summer, they have never been as devastating or as widespread as the ones currently burning across the country. Since September 2019, the blazes, fueled by dry foliage and strong winds, have scorched over 15.6 million acres (24,000 square miles) — an area larger than the state of West Virginia. Even worse, officials warn that Australia's wildfire season — which generally lasts through March — is nowhere near its end.
With no brains or nerve cells, single-cellular microorganisms are often regarded to be simple, primitive beings with few capabilities. However, a new Harvard University study suggests that protozoans, like Stentor roeselii, have the smarts to make "complex" decisions when confronted with unpleasant situations.
Now celebrating its fifteenth year, The Best Illusion of the Year is a fun contest hosted by the Neural Correlate Society in collaboration with the Museum of Mind. The competition encourages scientists and artists to showcase their ingenuity and creativity by submitting their best illusion through a short video. Here are this year's top 3 illusions selected by fans from the top 10 finalists in an online vote on December 13, 2019.
On Wednesday, December 18, 2019, members of the US House of Representatives voted to impeach President Donald Trump on two charges — abuse of power (230-197) and obstruction of Congress (229-198). The historic decision culminates a three-month inquiry by House Democrats into whether or not the US leader pressured Ukraine to conduct investigations for his personal political benefit. However, the impeachment process is far from over. Here is how we got to this moment and what to expect next.
Hanukkah is one of the most anticipated and joyous of all Jewish festivals. Although the celebration always begins on the 25th day of Kislev, the ninth month on the Hebrew calendar, that date can fall anywhere between late November and late December on the Gregorian calendar. This year, the eight-day festival will begin at sundown on December 22, 2019, and continue through December 30, 2019.
Time Inc.'s "Person of the Year" tradition began in 1927, when the magazine commemorated 25-year-old aviator Charles Lindbergh for the first nonstop solo flight across the Atlantic Ocean. Though the media franchise has since recognized several young people for their global influence, it has never given the important distinction to a teenager. But then again, few teens are as passionate about their mission as 2019's "Person of The Year"— 16-year-old Swedish climate change activist Greta Thunberg.