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Currently, uterus donation is only available for women with family members who are willing to donate. With live donors in short supply, the new technique might help to increase availability and give more women the option of pregnancy. The first baby has been born following a uterus transplantation from a deceased donor, according to a case study from Brazil published in The Lancet. The study is also the first uterine transplantation in Latin America. The new findings demonstrate that uterus [...]

Shell middens are archeological features consisting mainly of the remains of marine animals thrown away near settlements over hundreds or thousands of years. They are the debris of human activity. In Brazil, they are known by the Tupi word sambaqui. The sambaquis were left by people who lived between 8,000 and 1,000 years ago in coastal Atlantic Forest areas, traditionally considered peripheral to South America s first food production centers in the Andes and the Amazon. A new study, however, [...]

A simple sheet of graphene has noteworthy properties due to a quantum phenomenon in its electron structure named Dirac cones in honor of British theoretical physicist Paul Dirac (1902-1984), who was awarded the Nobel Prize for Physics in 1933. advertisement The system becomes even more interesting if it comprises two superimposed graphene sheets, and one is very slightly turned in its own plane so that the holes in the two carbon lattices no longer completely coincide. For specific angles of [...]

Brazil s Ministry of Health received reports of 11,524 outbreaks of foodborne diseases between 2000 and 2015, with 219,909 individuals falling sick and 167 dying from the diseases in question. Bacteria caused most outbreaks of such illnesses, including diarrhea and gastroenteritis. The most frequent were Salmonella spp., with 31,700 cases diagnosed in the period (14.4% of the total), Staphylococcus aureus (7.4%), and Escherichia coli (6.1%). According to a survey by the Ministry of Social [...]

Study by 72 researchers from eight countries concludes that the Lagoa Santa people are descendants of Clovis culture migrants from North America. Distinctly African features attributed to Luzia were wrong. The history of the peopling of the Americas has just been interpreted afresh. The largest and most comprehensive study ever conducted on the basis of fossil DNA extracted from ancient human remains found on the continent has confirmed the existence of a single ancestral population for all [...]

An insect larva found in the caves of Intervales State Park, an Atlantic Rainforest remnant in the municipality of Ribeirão Grande, São Paulo State, Brazil, was initially of no interest to the research group led by biochemist Vadim Viviani, a professor at the Federal University of São Carlos (UFSCar) in Sorocaba. The researchers are investigating bioluminescence, the capacity of living organisms to produce their own light. Nevertheless, the larva of Neoditomyia, a genus of non-luminescent [...]

Cappuccino made with jackfruit instead of cocoa powder. According to a new study, roasted jackfruit seeds can replace between 50% and 75% of the cocoa that is blended with milk and coffee to make cappuccino without impairing flavor or aroma. "Flour made from roasted jackfruit seeds naturally releases a mild chocolate aroma," said food scientist Fernanda Papa Spada , a recipient of a scholarship, from São Paulo Research Foundation - FAPESP, who performed the study at the University of São [...]

Reading, one of the most difficult activities for children with dyslexia, can be improved by the use of green filters. A study described in an article by Brazilian and French researchers reports increased reading speed for nine- and ten-year-old volunteers with dyslexia who used green filters. The filters had no effect on age-matched children without dyslexia. Colored filters for the treatment of learning disabilities were first patented in 1983. They were also designed for use by children [...]

Four families of extremely young asteroids have been identified by researchers affiliated with São Paulo State University (UNESP) in Guaratinguetá, Brazil. An article on the discovery has been published in Monthly Notices of the Royal Astronomical Society. advertisement "We identified the new families by means of numerical simulation using the backward integration method (BIM), which is much more precise than other methods for dating asteroid families. But BIM only works for really young [...]