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Fri, 19 Apr 2019 16:55:34 EDT
High performance solid-state sodium-ion battery
Solid-state sodium-ion batteries are far safer than conventional lithium-ion batteries, which pose a risk of fire and explosions, but their performance has been too weak to offset the safety advantages. Researchers have now reported developing an organic cathode that dramatically improves both stability and energy density.
Fri, 19 Apr 2019 16:55:31 EDT
Thermodynamic magic enables cooling without energy consumption
Physicists have developed an amazingly simple device that allows heat to flow temporarily from a cold to a warm object without an external power supply. Intriguingly, the process initially appears to contradict the fundamental laws of physics.
Fri, 19 Apr 2019 16:55:28 EDT
Continuing impacts of Deepwater Horizon oil spill
Nine years ago tomorrow -- April 20, 2010 -- crude oil began leaking from the Deepwater Horizon drilling rig into the Gulf of Mexico in what turned out to be the largest marine oil spill in history. A long-term study suggests the oil is still affecting the salt marshes of the Gulf Coast, and reveals the key role that marsh grasses play in the overall recovery of these important coastal wetlands.
Fri, 19 Apr 2019 16:55:25 EDT
A universal framework combining genome annotation and undergraduate education
Scientists and educators have developed a framework for using new genome sequences as a training resource for undergraduates interested in learning genome annotation. This strategy will both make the process of determining gene functions more efficient and help train the next generation of scientists in bioinformatics.
Fri, 19 Apr 2019 10:37:13 EDT
Discovery may help explain why women get autoimmune diseases far more often than men
New evidence points to a key role for a molecular switch called VGLL3 in autoimmune diseases, and the major gap in incidence between women and men. Building on past research showing that women have more VGLL3 in their skin cells than men, a team studied it further in mice. They show that having too much VGLL3 in skin cells pushes the immune system into overdrive, leading to an autoimmune response and symptoms similar to lupus.
Fri, 19 Apr 2019 10:37:08 EDT
Warming: Plants are also stressed out
What will a three-degree-warmer world look like? When experiencing stress or damage from various sources, plants use chloroplast-to-nucleus communication to regulate gene expression and help them cope. Now, researchers have found that GUN1 -- a gene that integrates numerous chloroplast-to-nucleus retrograde signaling pathways -- also plays an important role in how proteins are made in damaged chloroplasts, which provides a new insight into how plants respond to stress.
Fri, 19 Apr 2019 10:36:57 EDT
New method to detect off-target effects of CRISPR
Since the CRISPR genome editing technology was invented in 2012, it has shown great promise to treat a number of intractable diseases. However, scientists have struggled to identify potential off-target effects in therapeutically relevant cell types, which remains the main barrier to moving therapies to the clinic. Now, a group of scientists have developed a reliable method to do just that.
Fri, 19 Apr 2019 09:40:50 EDT
Through thick and thin: Neutrons track lithium ions in battery electrodes
Lithium-ion batteries are expected to have a global market value of $47 billion by 2023, but their use in heavy-duty applications such as electric vehicles is limited due to factors such as lengthy charge and discharge cycles. Engineers are examining how the lithium moves in battery electrodes, important in designing batteries that charge and discharge faster.
Fri, 19 Apr 2019 09:40:47 EDT
Mysterious river dolphin helps crack the code of marine mammal communication
The Araguaian river dolphin of Brazil was thought to be solitary with little social structure that would require communication. But researchers have discovered the dolphins actually are social and can make hundreds of different sounds, a finding that could help uncover how communication evolved in marine mammals.
Fri, 19 Apr 2019 09:40:32 EDT
Triplet superconductivity demonstrated under high pressure
Researchers have demonstrated a theoretical type of unconventional superconductivity in a uranium-based material, according to a new study.
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