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Biology news
DNA programs a cell-free material to build its own motors and move
Researchers have created a material that manufactures the proteins responsible for cell movement, without needing intact living cells. By embedding cell-free gene expression into a thin sheet of protein filaments, they were ...
Mapping the cell: International research team investigates the endoplasmic reticulum
Human cells contain billions of molecules. To prevent complete chaos, these molecules and the reactions between them are organized within structures known as organelles. One of the cell's most important organelles is the ...
Molecular & Computational biology
57 minutes ago
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How autumn changes animal sexual behavior—including that of humans
In the Northern Hemisphere, days are getting shorter and temperatures are dropping—autumn has arrived. A common sign that winter is coming is trees losing their leaves. But did you know that autumn also sparks changes in ...
Ecology
17 minutes ago
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A quick squeeze helps CRISPR turn skin cells into neurons more efficiently
Human cells hold about two meters (6.6 feet) of DNA, folded and compacted to fit inside a nucleus. That packing is essential for life, but it creates a problem for scientists. Some of the genes that control a cell's identity ...
Cell & Microbiology
2 hours ago
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Study finds lower rates of overweight among vegan-fed cats
A large-scale survey has found cats fed vegan diets had lower rates of obesity and related health problems than those fed conventional meat-based diets.
Veterinary medicine
3 hours ago
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How to speak whale: AI uses eight to ten click sequences to predict sperm whales' feeding dives
Arriving on the Caribbean island of Dominica for the first time "feels a little bit like stepping into Jurassic Park," said Giovanni Petri, a professor in the Network Science Institute at Northeastern University London.
Ecology
1 hour ago
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Hide-and-seek for treats offers a new window into cognitive decline in dogs
It is tough to watch a dog deal with issues associated with aging. A senior dog that gets lost at home or starts showing more anxiety may be exhibiting signs of dementia. But by the time these signs show up, the decline may ...
Veterinary medicine
4 hours ago
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Time to tap into agriculture's hidden genetic potential
Modern agriculture's selective breeding of crops for particular requirements may now be a roadblock to further gains, prompting a trio of senior University of Queensland plant scientists to call for a new way forward.
Agriculture
3 hours ago
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The world's most expensive spice could provide a lifeline to Colorado farmers
Alexander the Great, king of the ancient Greek kingdom of Macedon, reportedly bathed in saffron to heal his battle wounds. Doctors once prescribed this rare plant as a treatment for the bubonic plague. Cleopatra even used ...
Agriculture
4 hours ago
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From 'gentle' and 'graceful' to the 'cane toad of the sky': How Australia turned on the common myna
The common myna is sometimes referred to as "Australia's most hated bird." Originally from South and Central Asia, the introduced species from the starling family is abundant, raucous and bold.
Ecology
2 hours ago
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Iris patterns offer a noninvasive way to recognize individual Amazonian treefrogs
Identifying individual animals in the wild has long meant tagging, branding or clipping. For amphibians, the standard approach has often been toe-clipping, a procedure that can affect survival, physiology and behavior. A ...
Plants & Animals
8 hours ago
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What is red crown rot? Expert explains emerging soybean pathogen
Red crown rot, a fungal disease of soybean, is not new to the Midwest. First reported in Illinois in 2018, the disease is now surging across the state and the region. Boris Camiletti, a plant pathologist at the University ...
Cell & Microbiology
5 hours ago
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Mother bats' hearts beat faster at the sound of their own babies' cries
A mother bat has one crucial challenge: find her own babies among hundreds of other bats in the colony. Making sure she cares for and nurses only her own offspring is important to ensuring their survival. Among Japanese house ...
Plants & Animals
12 hours ago
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Costly dead-tissue disorder in apples caused by faster growth rates
New research reveals that faster growth rates in Honeycrisp apples increase both the incidence and severity of the "bitter pit" disorder, which is responsible for large-scale fruit yield losses and avoidable economic impacts ...
Ecology
8 hours ago
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Mosquito bites are more complicated than they appear—getting a closer look might lead to better disease prevention
Female mosquitoes need blood to produce eggs. While much research has focused on how these hungry mosquitoes find their targets, less is known about what happens after they land on skin. Yet, a better understanding may allow ...
Ants break a basic rule of biology to help them adapt to new environments
A new study led by researchers in the Eco-Evo-Devo lab at the University of Ottawa finds that ants can decouple antenna size from both head and body size as they develop into different social castes, revealing how social ...
Plants & Animals
19 hours ago
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With climate-resilient crops in mind, study tackles flaw in photosynthesis
Rising temperatures and increasing drought are shortening crop-growing seasons in many parts of the world. Now scientists in Sweden report new advances toward engineering more efficient photosynthesis, work that could eventually ...
Biotechnology
16 hours ago
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A parasite carried by one-third of humanity can't reproduce if one key protein is disabled
A protein discovered in a Virginia Tech–led study may open a gateway to treatments for a parasite responsible for a deadly disease in immunocompromised people. The team led by Raj Gaji, assistant professor of parasitology ...
Cell & Microbiology
20 hours ago
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DNA and underwater footage reveal two new species of deep-sea siphonophores
New research is shedding light on the diversity of deep-sea siphonophores. A team of scientists from MBARI, the University of Gdańsk, New York University and Yale University conducted a comprehensive examination of Bargmannia ...
Plants & Animals
18 hours ago
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Helping microgreens pack even more of a nutritional punch
Microgreens are nutritional powerhouses. A team of plant scientists at Penn State conducting research on multiple aspects of microgreens recently published three studies reporting progress on multiple fronts, including iron ...
Agriculture
18 hours ago
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El Niño then and now
Quantum interference traps electron waves in metal for first time
Hearing laughter may cause orangutans to value rewards more
New optogenetic tool inhibits activity in neurons and heart muscle cells
Newly identified metabolic pathway helps explain how cold extends lifespan
