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July 23, 2023

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Greenland Melted Recently, Shows High Risk of Sea Level Rise Today

无冰tundr格陵兰岛的大部分a landscape -- perhaps covered by trees and roaming woolly mammoths -- in the recent geologic past (about 416,000 years ago), a new study shows. The results help overturn a previous view that much of the Greenland ice sheet persisted for most of the ...

Post-Menopause Orca Mothers Protect Their Sons from Being Injured by Other Orcas

Female killer whales live up to ninety years in the wild, and most live an average of twenty-two years after menopause. Scientists have long wondered why humans and some whale species spend a significant portion of their life not reproducing. ...

Researchers Generate Human Embryo-Like Structures That Include Extraembryonic Tissue

Gastrulation, the process where an embryo reorganizes itself from a hollow sphere into a multilayered structure, is considered a 'black box' of human development. This is because human embryos are typically not cultured for longer than 14 days ...

'Stunning' Discovery: Metals Can Heal Themselves

Researchers announce the first observation of a self-healing metal. If harnessed, the newly discovered phenomenon could someday lead to engines, bridges and airplanes that reverse damage caused by wear and tear, making them safer and ...
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Long-Term Changes in Waves and Storm Surges Have Not Impacted Global Coastlines

Changes in ocean wave and storm conditions have not caused long-term impacts on sandy coastlines in the past 30 years, a new study has ...

Scientists Make Promising Discovery in Fight Against Breast Cancer

Scientists have discovered a possible way to block proteins produced in the body when a patient has cancer and which causes its spread to other parts of the ...

Male Crickets Court Females in Unison -- Unless Rivals Get Too Close

Male crickets sing in unison to attract females -- but stop singing if a rival gets too close, new research ...

Some People's Brain Function Still Affected by Long COVID Years After Infection

Researchers have found that people with longer-term COVID-19 symptoms including brain fog showed reduced performance in tasks testing different mental processes up to two years after infection with ...

Probiotic Combo Stops Bacteria That Cause Toxic Shock Syndrome

New findings suggest that a probiotic combination could reduce incidence of toxic shock ...

In New Space Race, Scientists Propose Geoarchaeology Can Aid in Preserving Space Heritage

The material record that currently exists on the moon is rapidly becoming at risk of being destroyed if proper attention isn't paid during the new space era, scientists say. They propose a new ...

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Child Car Seat Installation Errors Common Even With Top-Rated Seats

Errors in installation of child car seats are common, even with seats that have a five-star rating for ease of use, according to a new study. The study found that although the rating system was a ...

Research Reveals the Scale of Disorder Underpinning Motor Neurone Disease

Researchers have shown that hundreds of proteins and mRNA molecules are found in the wrong place in nerve cells affected by Motor Neuron Disease (MND), also known as Amyotrophic Lateral Sclerosis ...

Scientists Develop AI-Based Tracking and Early-Warning System for Viral Pandemics

Machine-learning system effectively predicts emergence of prominent ...

Immune Systems Develop 'Silver Bullet' Defenses Against Common Bacteria

Immune systems develop specific genes to combat common bacteria such as those found in food, new research ...

Observing the Long-Postulated Intermediate of Catalytic Amination Reactions

Researchers have made a groundbreaking discovery by identifying the structure and reactivity of rhodium-acylnitrenoid intermediates in catalytic hydrocarbon amination reactions. By studying ...

Climate Science Is Catching Up to Climate Change With Predictions That Could Improve Proactive Response

In Africa, climate change impacts are experienced as extreme events like drought and floods. It has now been possible to predict and monitor these climatic events, providing early warning of their ...

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Detecting Threats Beyond the Limits of Human, Sensor Sight

A new patented software system can find the curves of motion in streaming video and images from satellites, drones and far-range security cameras and turn them into signals to find and track moving ...

Powerhouse Proteins Protect Heart Cells from Chemotherapy Damage

Researchers have identified a process by which enzymes can help prevent heart damage in chemotherapy ...

Fueled by New Chemistry, Algorithm Mines Fungi for Useful Molecules

A newly described type of chemistry in fungi is both surprisingly common and likely to involve highly reactive enzymes, two traits that make the genes involved useful signposts pointing to a ...

Hardship Affects the Gut Microbiome Across Generations

A new study has shown that hardship experienced by mothers during their own childhood or during pregnancy is reflected in the composition of their 2-year-old children's gut microbiome. It was ...

A 'Toolbox of Biocatalysts' Improves Control Over Free Radicals

合成化学的主要挑战之一ts is to impose control over free radicals. Highly reactive molecules with an unpaired electron, free radicals may be familiar to you; these are the ...

Hitting Reset to Start a New Embryo

Scientists show how a fertilized egg cell, or zygote, hits 'reset' so that the newly formed embryo can develop according to its own genetic ...

Cause of Sleep Disturbance in Cardiac Disease Identified: Ganglia Play Previously Unrecognized Role

Around one third of people with heart disease suffer from sleep problems. A team now shows that heart diseases affect the production of the sleep hormone melatonin in the pineal gland. The link ...

Researchers Investigate New Use for Plastic Bottles

For years, unrecycled plastic bottles have been dumped in landfills. Now, thanks to new research, those bottles may have a second life in that landfill -- stabilizing its earth ...

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