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Reusable take-out container benefits go up with use
The number of times a reusable take-out container gets used is a key factor affecting how sustainable it is, a new study indicates. In an effort to reduce plastic waste in the restaurant...
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Super ancient fish skull holds oldest backboned animal brain fossil
A 319-million-year-old fossilized fish skull holds the oldest example of a well-preserved vertebrate brain. Scientists pulled the skull from a coal mine in England more than a century ago. The brain...
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Tigers more willing to cross the road during COVID lockdown
Tigers in Nepal were two to three times more likely to cross highways during COVID-19 lockdowns than before it, a new study shows. The researchers used the nationwide lockdown as a natural experiment...
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Morning glory flowers grew larger over a decade
Wild populations of the common morning glory in the southeastern United States increased the size of their flowers between 2003 and 2012, according to a new study. There’s been a well-documented shift...
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Extra gene stymies neurons in mice models of Down syndrome
An extra copy of a gene in Down syndrome patients causes improper development of neurons, a study with mice shows. The gene in question, called Down syndrome cell adhesion molecule, or DSCAM, is also...
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Do predators boost herd health? Maybe not
New findings challenge the healthy herds hypothesis. Nature documentaries will tell you that lions, cheetahs, wolves and other top predators target the weakest or slowest animals and that this culling...
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Tree diversity may boost carbon, nitrogen in forest soil
Preserving the diversity of forests assures their productivity and potentially increases the accumulation of carbon and nitrogen in the soil, which helps to sustain soil fertility and mitigate global...
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Wooly mammoth tusks show rivals sparked raging aggression
Male wooly mammoths experienced musth, a testosterone-driven episode of heightened aggression against rival males, a study of their tusks shows. The findings come from a study of traces of sex hormones...
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Bird bodies are shrinking as the world warms
The bodies of birds across the Americas are getting smaller and longer-winged as the world warms, according to new research. Smallest-bodied species are changing the fastest, the researchers report....
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How moss helps fight climate change
Moss, those tiny plants we often see on the ground or rocks, might be an important antidote to climate change, a new study suggests. Plant life plays a crucial role in fighting climate change by...
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Uber and Lyft going electric to have ‘modest’ benefit
Switching Uber and Lyft vehicles from gas to electric won’t have much benefit, findings suggest. Both Uber and Lyft ride-hailing services have pledged to fully electrify their vehicle fleets by 2030 in...
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Can agriculture actually block pathogens from animals?
Agriculture can act as an incubator of novel animal-borne microbes, facilitating their evolution into human-ready pathogens, or it can form barriers that help block their spread, an article argues....
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Savanna & grassland carbon storage slows climate change
Savannas and grasslands in drier climates around the world store more heat-trapping carbon than scientists thought they did, helping to slow the rate of climate warming, according to a new study. The...
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Space weather messes up night-time bird migration
Space weather disrupts nocturnal bird migration, a new study finds. It’s well-known that birds and other animals rely on Earth’s magnetic field for long-distance navigation during seasonal migrations....
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Lions avoid humans unless resources get scarce
Lions will avoid human-dominated areas unless they’re facing food scarcity and habitat fragmentation, a new study shows. Humans and wildlife, including large carnivores, interact at an unprecedented...
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To meet emissions goal, decarbonize light-duty vehicles?
A new study reveals a path toward reducing United States greenhouse gas emissions by 50 to 52% below 2005 levels by 2030. It’s one of the goals outlined by the Biden administration’s National Climate...
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Produce from urban farms has 6X larger carbon footprint
Fruits and vegetables grown in urban farms and gardens have a carbon footprint that is, on average, six times greater than conventionally grown produce. However, a few city-grown crops equaled or...
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Nearly 15% of Americans deny climate change is real
Nearly 15% of Americans deny that climate change is real, according to new research that used social media data and artificial intelligence in a comprehensive national assessment. Scientists have long...
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How snakes became ‘evolutionary winners’
New research digs into how snakes hit the evolutionary jackpot. More than 100 million years ago, the ancestors of the first snakes were small lizards that lived alongside other small, nondescript...
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Check out thousands of 3D scans of vertebrate critters for free
Natural history museums have entered a new stage of scientific discovery and accessibility with the completion of a project to create 3D reconstructions of vertebrate specimens and make them freely...
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