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Categories: Anthropology: Early Humans, Energy: Batteries
Published The battery that runs 630 km on a single charge
(via sciencedaily.com) A research team succeeds in developing anode-free Li batteries with maximized energy density, improving energy density by 40%.
Published Scientists develop inexpensive device that can harvest energy from a light breeze and store it as electricity
(via sciencedaily.com) Scientists have developed a low-cost device that can harness energy from wind as gentle as a light breeze and store it as electricity.
Published Seaweed-based battery powers confidence in sustainable energy storage
(via sciencedaily.com) A team uses nanomaterials made from seaweed to create a strong battery separator, paving the way for greener and more efficient energy storage.
Published A new route to evolution: How DNA from our mitochondria works its way into our genomes
(via sciencedaily.com) Scientists have shown that in one in every 4,000 births, some of the genetic code from our mitochondria -- the 'batteries' that power our cells -- inserts itself into our DNA, revealing a surprising new insight into how humans evolve. Researchers show that mitochondrial DNA also appears in some cancer DNA, suggesting that it acts as a sticking plaster to try and repair damage to our genetic code.
Published Dead fish breathes new life into the evolutionary origin of fins and limbs
(via sciencedaily.com) A trove of fossils in China, unearthed in rock dating back some 436 million years, have revealed for the first time that the mysterious galeaspids, a jawless freshwater fish, possessed paired fins.
Published More reasons to go solar when gearing up for a greener drive
(via sciencedaily.com) With electric vehicles sales soaring worldwide, potential buyers are not just weighing up the price tag, but also the logistics and expense of charging the planet-friendly cars. A new study shows households with solar panels and batteries will be the big winners.
Published Revealing the genome of the common ancestor of all mammals
(via sciencedaily.com) An international team has reconstructed the genome organization of the earliest common ancestor of all mammals. The reconstructed ancestral genome could help in understanding the evolution of mammals and in conservation of modern animals. The earliest mammal ancestor likely looked like the fossil animal 'Morganucodon' which lived about 200 million years ago.
Published Magnetic field helps thick battery electrodes tackle electric vehicle challenges
(via sciencedaily.com) As electric vehicles grow in popularity, the spotlight shines more brightly on some of their remaining major issues. Researchers are tackling two of the bigger challenges facing electric vehicles: limited range and slow recharging.
Published Key phases of human evolution coincide with flickers in eastern Africa's climate
(via sciencedaily.com) Interdisciplinary research in southern Ethiopia enabled the deciphering of eastern Africa's climatic heartbeat and shows how key phases of climate change influenced human evolution, dispersal and innovation.
Published Exposing the evolutionary weak spots of the human genome
(via sciencedaily.com) Mutations can drastically help or hurt the odds of an organism surviving and reproducing. Researchers have created a computer program called ExtRaINSIGHT that tracks the history of harmful mutations throughout human evolution. They've discovered several regions of the genome are especially vulnerable to mutations, meaning any mutations there could lead to severe or lethal consequences.
Published Cobalt-free cathode for lithium-ion batteries
(via sciencedaily.com) Researchers offer a new mixture of metallic elements to serve as lithium-ion cathodes. This 'high-entropy doping strategy' is part of an effort to remove cobalt -- and expensive and geopolitically problematic mineral -- from LI batteries.
Published The anglo-saxon migration: New insights from genetics
(via sciencedaily.com) In the largest early-medieval population study to date, an interdisciplinary team consisting of geneticists and archaeologists analyzed over 400 individuals from ancient Britain, Ireland, Germany, Denmark and the Netherlands. The results show in detail one of the largest population transformations in the post-Roman world.
Published Early gibbon fossil found in southwest China: Discovery fills evolutionary history gap of apes
(via sciencedaily.com) A team of scientists has discovered the earliest gibbon fossil, a find that helps fill a long-elusive evolutionary gap in the history of apes.
Published Earliest land animals had fewer skull bones than fish -- restricting their evolution, scientists find
(via sciencedaily.com) The skulls of tetrapods had fewer bones than extinct and living fish, limiting their evolution for millions of years, according to a latest study.
Published Modern humans generate more brain neurons than Neanderthals
(via sciencedaily.com) The question of what makes modern humans unique has long been a driving force for researchers. Comparisons with our closest relatives, the Neanderthals, therefore provide fascinating insights. The increase in brain size, and in neuron production during brain development, are considered to be major factors for the increased cognitive abilities that occurred during human evolution. However, while both Neanderthals and modern humans develop brains of similar size, very little is known about whether modern human and Neanderthal brains may have differed in terms of their neuron production during development. Researchers now show that the modern human variant of the protein TKTL1, which differs by only a single amino acid from the Neanderthal variant, increases one type of brain progenitor cells, called basal radial glia, in the modern human brain.
Published High-accuracy electric vehicle battery monitoring with diamond quantum sensors for driving range extension
(via sciencedaily.com) The issue of battery usage inefficiency in electric vehicles resulting from an inaccurate battery charge measurement may finally get resolved, thanks to a diamond quantum sensor prototype. The sensor can measure currents in a wide range as well as detect milliampere-level currents in a noisy environment, improving the detection accuracy from 10% to within 1%.
Published Robo-bug: A rechargeable, remote-control cyborg cockroach
(via sciencedaily.com) Researchers have engineered a system for creating remote controlled cyborg cockroaches, equipped with a tiny wireless control module that is powered by a rechargeable battery attached to a solar cell. This achievement will help make the use of cyborg insects a practical reality.
Published Resolving the evolutionary history of the closest algal relatives of land plants
(via sciencedaily.com) Scientists use genomic data to resolve the phylogeny of zygnematophyte algae and pinpoint several emergences of multicellularity in the closest known relatives of terrestrial plants.
Published A sustainable battery with a biodegradable electrolyte made from crab shells
(via sciencedaily.com) Accelerating demand for renewable energy and electric vehicles is sparking a high demand for the batteries that store generated energy and power engines. But the batteries behind these sustainability solutions aren't always sustainable themselves. Scientists have now create a zinc battery with a biodegradable electrolyte from an unexpected source -- crab shells.
Published Sahelanthropus, the oldest representative of humanity, was indeed bipedal...but that's not all!
(via sciencedaily.com) The modalities and date of emergence of bipedalism remain bitterly debated, in particular because of a small number of very old human fossils. Sahelanthropus tchadensis, discovered in 2001 in Chad, is considered to be the oldest representative of the humankind. The shape of its cranium suggests a bipedal station. The description of three limb bones of Sahelanthropus confirms habitual bipedalism, but not exclusively.