Latest science news in Biology & Nature

For rufous hummingbirds, migration looks different depending on age and sex

3 years ago from Science Daily

Plucky, beautiful and declining in numbers at about a 2% annual rate, the rufous hummingbird makes its long annual migration in different timing and route patterns based the birds' age...

How renegade protein interrupts brain cell function in Alzheimer's disease

3 years ago from Science Daily

Dozens of molecules may tangle up with rogue bundles of tau, a protein that normally gives nerve fibers structure, to cause brain cell damage that contributes to neurodegenerative diseases, a...

Multiomics investigation revealing the characteristics of HIV-1-infected cells in vivo

3 years ago from Science Daily

A research group using HIV-1-infected cells performed 'multiomics' analyses, which are technologies recently developed to comprehensively investigate the features of biological samples.In this study, a hematopoietic stem cell-transplanted humanized mouse...

First fatal shark attack in Maine blamed on great white

3 years ago from UPI

Maine officials said Tuesday that a great white shark was responsible for killing a woman off the coast -- the first fatal attack in the state's recorded history.

Researchers discover cell communication mechanism that drives cancer adaptation

3 years ago from Science Daily

Researchers have uncovered a new mechanism by which cancer cells adapt to the stresses they encounter as they grow and respond to therapies.

Watch: Australian pub bans emus for 'bad behavior'

3 years ago from UPI

A pub in the Australian outback has banned a pair of beloved local emus from the establishment for "bad behavior" including stealing food and defecating on the floor.

Scientists unlock genetic secrets of wine growers' worst enemy

3 years ago from Science Daily

Following a decade-long effort, scientists have mapped out the genome of an aphid-like pest capable of decimating vineyards. In so doing, they have discovered how it spreads -- and potentially...

New machine learning method allows hospitals to share patient data -- privately

3 years ago from Science Daily

Researchers have shown that an approach called federated learning is successful in the context of brain imaging, by being able to analyze magnetic resonance imaging (MRI) scans of brain tumor...

For rufous hummingbirds, migration looks different depending on age and sex

3 years ago from Physorg

Plucky, beautiful and declining in numbers at about a 2% annual rate, the rufous hummingbird makes its long annual migration in different timing and route patterns based the birds' age...

Exposure to enzymes causes peculiar response in liquid droplets formed by DNA; new study explains mechanisms behind it

3 years ago from Physorg

"A watched pot never boils," as the saying goes, but that was not the case for UC Santa Barbara researchers watching a "pot" of liquids formed from DNA. In fact,...

Biologists zero in on cells' environmental sensing mechanism

3 years ago from Physorg

Evolutionary and developmental biologist Craig Albertson and colleagues at the University of Massachusetts Amherst report that they have identified a molecular mechanism that allows an organism to change the way...

The amazing travels of small RNAs

3 years ago from Science Daily

Biologists have known for some time that RNA interference can silence genes in far-off cells. They suspected that a messenger substance 'transmits' RNA interference. Now, researchers have definitively shown that...

California busca signos de cambio tras impresionantes reveses por coronavirus

3 years ago from LA Times - Health

Después de semanas de asombrosos reveses en la pandemia, California está desesperada por señales de un cambio.

How mutant zebrafish helped unlock the secret to their stripes

3 years ago from Physorg

Zebrafish are one of the most well studied animals on the planet. But how they came by their beautiful black and gold stripes is more of a mystery. Our new...

The amazing travels of small RNAs

3 years ago from Physorg

In most organisms, small bits of RNA play a key role in gene regulation by silencing gene expression. They do this by targeting and docking onto complementary sequences of gene...

Madagascar: New mouse lemur species discovered

3 years ago from Physorg

Madagascar is a biodiversity hotspot. In the last 20 years new lemur species have been discovered while forested habitats have been quickly disappearing. Recent reports by the IUCN (International Union...

Men pass flying disc 5,341 times in one hour for Guinness record

3 years ago from UPI

A pair of Idaho men smashed a Guinness World Record when they threw a flying disc back and forth 5,341 times in one hour.

Ultra-low power brain implants find meaningful signal in grey matter noise

3 years ago from Science Blog

By tuning into a subset of brain waves, University of Michigan researchers have dramatically reduced the power requirements of neural interfaces while improving their accuracy—a discovery that could lead to...

How airway cells work together in regeneration and aging

3 years ago from Science Blog

Researchers at the Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research at UCLA have identified the process by which stem cells in the airways of the lungs switch between...

A New Way to Target Cancers Using ‘Synthetic Lethality’

3 years ago from Science Blog

With advances in genome sequencing, cancer treatments have increasingly sought to leverage the idea of “synthetic lethality,” exploiting cancer-specific genetic defects to identify targets that are uniquely essential to the...

Royana Black, Broadway and 'Raising Miranda' actress, dies at 47

3 years ago from UPI

Royana Black, who played Miranda Marshack on "Raising Miranda," died July 14 following a battle with cancer.

Researchers identify evolutionary origins of SARS-CoV-2

3 years ago from Physorg

By reconstructing the evolutionary history of SARS-CoV-2, the virus that is responsible for the COVID-19 pandemic, an international research team of Chinese, European, and U.S. scientists has discovered that the...

Researchers complete first-ever chromosomal-level genome sequencing of a freshwater sponge

3 years ago from Physorg

Scientists have completed the first chromosomal-level genome sequence for a freshwater sponge—offering insight into how the sponge has evolved over 600 to 800 million years, and possibly leading to genetic...

'Underserved and underfunded': Inside California's county hit hardest by COVID-19

3 years ago from LA Times - Health

As most of California begins a second shutdown over the coronavirus outbreak, no place has been hit as hard as Imperial County.

Hydrogel mimics human brain with memorizing and forgetting ability

3 years ago from Physorg

Hokkaido University researchers have found a soft and wet material that can memorize, retrieve, and forget information, much like the human brain. They report their findings in the journal Proceedings...

Tahlequah: Killer whale who carried dead calf for days is pregnant

Tahlequah captured the world's attention when spotted carrying her dead calf for 17 days.

Seafood products made from cells should be labeled cell-based

3 years ago from Physorg

Companies seeking to commercialize seafood products made from the cells of fish or shellfish should use the term "cell-based" on product labels, according to a Rutgers study—the first of its...

New study reveals how day- and night-biting mosquitoes respond differently to colors of light and time of day

3 years ago from Physorg

In a new study, researchers found that night- versus day-biting species of mosquitoes are behaviorally attracted and repelled by different colors of light at different times of day. Mosquitoes are...