Last week, PBS NewsHour Extra partnered with Google to offer students the #MyZeitgeist Challenge, an opportunity to create their own Zeitgeist by compiling the events that have made the biggest impact on their lives using the storytelling tool Meograph. As part of this effort, KQED Do Now presented the question What events of the year […]
Each year, tens of thousands of elephants are being slaughtered due to illegal poaching. Poachers kill elephants for their precious ivory tusks, which are now valued even higher than gold. This past March, over 60 scientists from around the world published a paper titled Devastating Decline of Forest Elephants in Central Africa, which portrays a bleak future for African elephants as a result of this poaching. According to the study, in just nine years the African elephant population has decreased by 62 percent, and African elephants have lost 30 percent of their geographical range. If the current rate of poaching continues, elephants could face extinction in as early as 10 years.
In recent years, scientists have discovered carcasses of frozen woolly mammoths with intact tissues and preserved DNA. With this DNA, and that from other extinct animals, researchers are trying to actually clone the extinct animals and bring them back to life. Current technologies are on the verge of making this possible. So far, the closest we’ve come is to de-extincting the passenger pigeon, thanks to frozen DNA samples and the DNA of its closest relative, the band tailed pigeon.
When you hear crickets chirping or birds tweeting, do you wonder what it all means? From orcas and shrimps to beetles and chimpanzees, every species communicates verbally or non-verbally to transmit information to others. The cues could signal courtship and mating, the approach of predators, territorial boundaries, a food source, or pure joy. To the […]