Environmental DNA (eDNA) comes from the traces of genetic material organisms shed as they go about their lives. Find out how our ability to analyze human eDNA samples is a mixed blessing for the fields of ecology and forensics.
Grizzly Bear DNA Matches Indigenous Human Languages
Grizzly bears and humans have very similar needs in terms of diet and habitat. Find out about a fascinating study’s connection between bear DNA and human language groups in British Columbia. (4:00 min read)
Plant Evolution: It’s Not About Temperature
Plant evolution has always been assumed to happen faster in the tropics. Find out how a massive new study overturns that assumption. (5:00 min read)
Human History Isn’t a Straight Line – It’s a Tangled Web
Human history is often shown as a neat March of Progress from one species to the next. Find out how DNA testing proves it's much more complicated than that. (4:00 min read time)
Cell Origins Revealed by Their Membranes
Cell origins have always been a mystery. How could cell membranes form in the sea when their fatty acids can't survive in salt? Find out the answer. (3:30 min read time)
Origin of Life Before the Origin of Species–4 Theories
The origin of life is still a mystery to science, even though evolution is now a proven fact. Learn about four theories hoping to shed light on this enigma. (5:00 min read)
Evolution: Is It Always Genetic?
Biologists have always maintained that evolution happens strictly and solely inside the genome. Find out how scientists looking at a variety of yeast have challenged the orthodox view. (3:30 min read)
Bee Pollination, Habitats and Human Meddling
Bee pollination came up in a couple of science studies this week. Find out what researchers are telling us about where bees like to live and how we can stop the decline in bee populations. (5:00 min read)
Meteorites Brought Space Sugar to Earth
Scientists have found traces of the sugar called ribose in meteorites. Since ribose is a building block of living organisms, this discovery sheds light on the origin of life on earth. Find out more. (7:00 min read)
Are We All From the Kalahari?
A team of experts concluded that they had found the birthplace of all humans. Many of their peers immediately disagreed. Learn more here.