Tag - Biologia

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Piel de las ranas esconde claves para curar enfermedades

Fuente: SciDev   Las ranas pueden ser un aliado valioso de la ciencia, no solo como indicadores biológicos del bienestar del ambiente, sino también como esperanza para la cura de muchas enfermedades...

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Newly discovered amphibian has been named after Donald Trump

Source: MercoPressUnited States presidents tend to receive their fair share of honors, but Donald Trump may want to ignore his latest one. A newly discovered amphibian that buries its head in the sand...

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Manual enseña a convertir el celular en un microscopio

Fuente: ScieDev.net   [SANTIAGO] Usando desechos domésticos y electrónicos de bajo costo, un técnico especializado en tecnologías de información y comunicación (TIC) y un profesor de Biología crearon...

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CRISPR-baby scientist fails to satisfy critics

Source: NatureHe Jiankui, a Chinese scientist who claims he helped to produce the first people born with edited genomes — twin baby girls — appeared today at a gene-editing summit in Hong Kong to...

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Genome-edited baby claim provokes international outcry

Source: NatureA Chinese scientist claims that he has helped make the world's first genome-edited babies — twin girls named Lulu and Nana, who were born this month. The announcement has provoked shock,...

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How the people of the Andes evolved to live in high altitudes

Source: Science MagazineScarce oxygen, cold temperatures, and intense ultraviolet radiation make the Andes a tough place to live. How did humans adapt to such heights? A new study of ancient and...

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The use and domestication of Theobroma cacao during the mid-Holocene in the upper Amazon

The use and domestication of Theobroma cacao during the mid-Holocene in the upper Amazon    Sonia Zarrillo, Nilesh Gaikwad, Claire Lanaud, Terry Powis, Christopher Viot, Isabelle Lesur, Olivier Fouet,...

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Nudging Big Pharma’s Tropical Neglect

Source: Science for BrazilWhen will profits-hungry drug companies finally widen their attention from treating complex lifestyle-related diseases affecting citizens in wealthy countries, to the...

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Double purpose rocket launch: Argentine satellite for farmers and recovering first stage

Source: MercoPressA SpaceX Falcon 9 rocket carrying an Argentine satellite has blasted off from California. The primary purpose of Sunday's mission is to place the SAOCOM 1A satellite into orbit, but...

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Mexico’s new science minister is a plant biologist who opposes transgenic crops

Source: Science MagazineMEXICO CITY—In early June, evolutionary developmental biologist Elena Álvarez-Buylla received an out-of-the-blue phone call from the campaign of Andrés Manuel López Obrador,...

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Raging wildfires send scientists scrambling to study health effects

Source: NatureRecord-setting wildfires have burnt through northern California over the past month, blanketing huge swathes of the western United States in a smoky haze and destroying an area larger...

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Parasites and politics: why cross-cultural studies must control for relatedness, proximity and covariation

Source: Royal SocietyA growing number of studies seek to identify predictors of broad-scale patterns in human cultural diversity, but three sources of non-independence in human cultural variables can...

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Monsanto glyphosate weed killer could cost Bayer billions in damage lawsuits

Source: MercopressUnited States agro-chemicals company Monsanto is facing a surge in lawsuits that may cost its new owners, Bayer, billions in damages. Monsanto manufactures glyphosate-based weed...

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Mum’s a Neanderthal, Dad’s a Denisovan

Source: NatureA female who died around 90,000 years ago was half Neanderthal and half Denisovan, according to genome analysis of a bone discovered in a Siberian cave. This is the first time scientists...

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Push to weaken US Endangered Species Act runs into roadblocks

Source: NatureAmerica's Endangered Species Act — which protects more than 2,000 plant, animal and insect species at risk of extinction — is under renewed attack from Republican politicians. But policy...

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Modern chocolate shaped like Maya glyphs, the written language they used to communicate

Source: Science MagazineYour Hershey bar may have been worth its weight in gold in Mayan times. A new study reveals that chocolate became its own form of money at the height of Mayan opulence—and that...

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Scientists downsize bold plan to make human genome from scratch

Source: NatureA bold plan to synthesize an entire human genome has been scaled back, aiming at a more technically attainable near-term goal. Instead of synthesizing all of the human genome’s 3 billion...

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Divided by DNA: The uneasy relationship between archaeology and ancient genomics

Source: NatureThirty kilometres north of Stonehenge, through the rolling countryside of southwest England, stands a less-famous window into Neolithic Britain. Established around 3600 BC by early...

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How human embryonic stem cells sparked a revolution

Source: NatureDieter Egli was just about to start graduate school in 1998 when researchers first worked out how to derive human embryonic stem cells. In the two decades since, the prolific cells have...

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What lava lamps and vinaigrette can teach us about cell biology

Source: NatureWhen David Courson and Lindsay Moore arrived for a summer research placement in Woods Hole, Massachusetts, they expected to try some new techniques and play with high-end microscopes. As...

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Genes of ‘extinct’ Caribbean islanders found in living people

Source: Science MagazineJorge Estevez grew up in the Dominican Republic and New York City hearing stories about his native Caribbean ancestors from his mother and grandmother. But when he told his...

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Genes of ‘extinct’ Caribbean islanders found in living people

Source: Science MagazineJorge Estevez grew up in the Dominican Republic and New York City hearing stories about his native Caribbean ancestors from his mother and grandmother. But when he told his...

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Debate blooms over anatomy of the world’s first flower

Source: NatureAn ambitious effort to reconstruct the world’s first flower has seeded a debate over what forms a blossom can and cannot take.The project, called eFLOWER, combined an unparalleled...

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Dam building binge in Amazon will shred ecosystems, scientists warn

Source: Science MagazineLIMA—Once upon a time, thousands of dorados, a giant among catfish, would swim more than 3000 kilometers from the mouth of the Amazon River to spawn during the austral autumn...

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Anti-Darwin comments in India outrage scientists

Source: NatureThousands of scientists in India have signed an online petition protesting against comments by a higher-education minister who last week publicly questioned the scientific validity of...

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