Ye olde pathogen: Learning about evolution from ancient DNA
As long as humans have been around, there have been pathogens to make us sick. Some have achieved infamy in human history—the bubonic plague, for example, or smallpox—and with modern technologies, scientists can time-travel to find out what the b.....»»
"A history of contact": Geneticists are rewriting the narrative of Neanderthals and other ancient humans
Ever since the first Neanderthal bones were discovered in 1856, people have wondered about these ancient hominins. How are they different from us? How much are they like us? Did our ancestors get along with them? Fight them? Love them? The recent dis.....»»
Frozen mammoth skin retained its chromosome structure
Features as small as 50 nanometers preserved in a 50,000-year-old sample. Enlarge (credit: LEONELLO CALVETTI/SCIENCE PHOTO LIBRARY) One of the challenges of working with ancient DNA samples is that damage accumulates ove.....»»
Photos show the mysterious ancient objects that mountaineers are finding on the Alps" melting glaciers
Photos show the mysterious ancient objects that mountaineers are finding on the Alps" melting glaciers.....»»
Study finds pumpkin pathogen not evolving, which could make a difference for management
The pathogen that causes bacterial spot is very good at what it does. Forming small lesions on the rinds of pumpkins, melons, cucumbers, and other cucurbits, it mars the fruits' appearance and ushers in secondary pathogens that lead to rot and severe.....»»
Popcorn, the Ultimate Snack, May Have Truly Ancient Origins
Popcorn might be more than 6,000 years old, an anthropologist explains.....»»
Apple @ Work Podcast: Learning iOS development
Apple @ Work is exclusively brought to you by Mosyle, the only Apple Unified Platform. Mosyle is the only solution that integrates in a single professional-grade platform all the solutions necessary to seamlessly and automatically deploy, manage & p.....»»
DNA analyses show the plague may have caused the downfall of Stone Age farmers
Ancient DNA from bones and teeth hints at a role of the plague in Stone Age population collapse. Contrary to previous beliefs, the plague may have diminished Europe's populations long before the major plague outbreaks of the Middle Ages, new research.....»»
Australian amber has revealed "living fossils" traced back to Gondwana 42 million years ago
Amber is fossilized tree resin. Unlike traditional fossils found on land or in the sea, amber can preserve ancient life forms in incredible detail. It's often considered the "holy grail" of paleontology worldwide......»»
Archaeologists find ancient temple and theater in Peru
A team of archaeologists, led by Field Museum scientist Luis Muro Ynoñán, has unearthed the remains of what appears to be a four-thousand-year-old temple and theater in coastal Peru......»»
Certain bacteria or fungi could combat a plant pathogen that attacks common vetch
Anthracnose, a severe disease caused by the Colletotrichum spinaciae plant pathogen, often occurs in common vetch, a widely grown legume. Chemicals are not recommended for disease management because the plants are used as livestock feed. A new study.....»»
Study shows leaf shape and size can"t reliably distinguish wild coca plants from those grown to make cocaine
A new paper in Molecular Biology and Evolution indicates that while the United Nations Office on Drugs and Crime has collected annual data on areas of coca cultivation in South America for decades to monitor the establishment of illegal plantations a.....»»
Archaeologists report earliest evidence for plant farming in east Africa
A trove of ancient plant remains excavated in Kenya helps explain the history of plant farming in equatorial eastern Africa, a region long thought to be important for early farming but where scant evidence from actual physical crops has been previous.....»»
A gendered social innovation framework for tourism-led development initiatives
Gendered social innovation is a crucial process that intertwines social change with female entrepreneurship, empowerment, and the evolution of work among women in the tourism industry......»»
How a global collaboration is helping protect biodiversity
Ask a 10-year-old to name some extinct animals and they can usually rattle off ancient species such as the Tasmanian Tiger, Woolly Mammoth and Dodo. Some may even be able to tell you what the animals used to look like without searching online......»»
Global database reveals large gaps in our knowledge of four-footed animals
Researchers have developed TetrapodTraits—a global database of animals with four feet—which can now be applied for better ecology, evolution and conservation research. Mario Moura of the Universidade Estadual de Campinas, Brazil, and Walter Jetz.....»»
This Ancient Technology Is Helping Millions Stay Cool
Cheap, low-energy evaporative cooling devices are keeping water, food, people, and even whole buildings cool across India......»»
Geochronological study analyzes the most ancient sedimentary levels at the Galería site
Isabel Hernando-Alonso, a researcher at the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), is the lead author of a geochronological study published in the journal Quaternary Geochronology, in which the electron spin resonance.....»»
From fields to policy: Conserving China"s agricultural heritage systems
Agricultural heritage systems, the custodians of ancient farming practices, face unprecedented challenges from climate change and urbanization. A recent study presents a detailed geographical analysis coupled with strategic management approaches to c.....»»
Researchers realize time reversal through input-output indefiniteness
A research team has constructed a coherent superposition of quantum evolution with two opposite directions in a photonic system and confirmed its advantage in characterizing input-output indefiniteness. The study was published in Physical Review Lett.....»»
Color of mother hen impacts chick learning efficiency, study shows
In a study published in iScience, researchers at Queen Mary University of London have taken major steps in better understanding some key questions about learning and intelligence. Led by Dr. Elisabetta Versace, the team used chicks to try and answer.....»»