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Ocean fertilization by unusual microbes extends to frigid waters of Arctic Ocean

Microbes that provide natural fertilizer to the oceans by 'fixing' nitrogen from the atmosphere into a form useable by other organisms are active in the cold waters of the Bering and Chukchi Seas.
Latest Science News -- ScienceDaily

Ocean fertilization by unusual microbes extends to frigid waters of Arctic Ocean

Microbes that provide natural fertilizer to the oceans by 'fixing' nitrogen from the atmosphere into a form useable by other organisms are active in the cold waters of the Bering and Chukchi Seas.

Reducing variations in feeding practices and fortifying breast milk helps micro-preemies grow

Standardizing feeding practices, including the timing for fortifying breast milk and formula with essential elements like zinc and protein, improves growth trends for the tiniest preterm infants, according to new research.
Latest Science News -- ScienceDaily

Reducing variations in feeding practices and fortifying breast milk helps micro-preemies grow

Standardizing feeding practices, including the timing for fortifying breast milk and formula with essential elements like zinc and protein, improves growth trends for the tiniest preterm infants, according to new research.

Small and isolated habitat patches crucial to species survival

Small, local patches of habitat could be playing a much bigger role in conserving biodiversity than you think, according to new research.
Latest Science News -- ScienceDaily

Small and isolated habitat patches crucial to species survival

Small, local patches of habitat could be playing a much bigger role in conserving biodiversity than you think, according to new research.

Lifespan extension at low temperatures is genetically controlled

A new study indicates that lifespan extension at lower temperatures is not just a matter of turning down the thermostat: it's under active genetic control.
Latest Science News -- ScienceDaily

Lifespan extension at low temperatures is genetically controlled

A new study indicates that lifespan extension at lower temperatures is not just a matter of turning down the thermostat: it's under active genetic control.

Increased risk for breast cancer after childbirth may last more than 20 years

The increased risk for breast cancer that occurs after childbirth can last more than 20 years. The risk may be enhanced when a woman is older at first birth or has a family history of breast cancer, and is not mitigated by breastfeeding.
Latest Science News -- ScienceDaily

Increased risk for breast cancer after childbirth may last more than 20 years

The increased risk for breast cancer that occurs after childbirth can last more than 20 years. The risk may be enhanced when a woman is older at first birth or has a family history of breast cancer, and is not mitigated by breastfeeding.

Water found on asteroid, confirming Bennu as excellent mission target

Spectral observations made by the OSIRIS-REx spacecraft identified hydrated minerals across the asteroid, confirming that Bennu, a remnant from early in the formation of the solar system, is an excellent specimen for the OSIRIS-REx mission to study the compos
Latest Science News -- ScienceDaily

Water found on asteroid, confirming Bennu as excellent mission target

Spectral observations made by the OSIRIS-REx spacecraft identified hydrated minerals across the asteroid, confirming that Bennu, a remnant from early in the formation of the solar system, is an excellent specimen for the OSIRIS-REx mission to study the composition of primitive volatiles and organics.

'Dropout' rate for academic scientists has risen sharply in past 50 years, study finds

An analysis has found that half the people pursuing scientific careers at institutions of higher education will depart the field after five years -- a sharp contrast compared to 50 years ago.
Latest Science News -- ScienceDaily

'Dropout' rate for academic scientists has risen sharply in past 50 years, study finds

An analysis has found that half the people pursuing scientific careers at institutions of higher education will depart the field after five years -- a sharp contrast compared to 50 years ago.

Humans may be reversing the climate clock, by 50 million years

Our future on Earth may also be our past. Researchers show that humans are reversing a long-term cooling trend tracing back at least 50 million years. And it's taken just two centuries.
Latest Science News -- ScienceDaily

Humans may be reversing the climate clock, by 50 million years

Our future on Earth may also be our past. Researchers show that humans are reversing a long-term cooling trend tracing back at least 50 million years. And it's taken just two centuries.

Regrowing damaged nerves hinges on shutting down key genes

Neurons in the brain and spinal cord don't grow back after injury, unlike those in the rest of the body. Now, researchers have identified some of the key steps taken by nerves in the legs as they regenerate. The findings lay out a path that spinal cord neuron
Latest Science News -- ScienceDaily

Regrowing damaged nerves hinges on shutting down key genes

Neurons in the brain and spinal cord don't grow back after injury, unlike those in the rest of the body. Now, researchers have identified some of the key steps taken by nerves in the legs as they regenerate. The findings lay out a path that spinal cord neurons might be able to follow -- potentially leading to improved recovery for people paralyzed by spinal cord injuries.

How will the winds of climate change affect migratory birds?

Under future climate scenarios, changing winds may make it harder for North American birds to migrate southward in the autumn, but make it easier for them to come back north in the spring. Researchers came to this conclusion using data from 143 weather radar
Latest Science News -- ScienceDaily

How will the winds of climate change affect migratory birds?

Under future climate scenarios, changing winds may make it harder for North American birds to migrate southward in the autumn, but make it easier for them to come back north in the spring. Researchers came to this conclusion using data from 143 weather radar stations to estimate the altitude, density, and direction birds took during spring and autumn migrations over several years.

Your brain on imagination: It's a lot like reality, study shows

New brain imaging research shows that imagining a threat lights up similar regions as experiencing it does. It suggests imagination can be a powerful tool in overcoming phobias or post traumatic stress.
Latest Science News -- ScienceDaily

Your brain on imagination: It's a lot like reality, study shows

New brain imaging research shows that imagining a threat lights up similar regions as experiencing it does. It suggests imagination can be a powerful tool in overcoming phobias or post traumatic stress.

Millions of low-risk people with diabetes may be testing their blood sugar too often

For people with Type 2 diabetes, testing blood sugar levels becomes part of everyday life. But a new study suggests that some of them test more often than they need to. Fourteen percent of people with Type 2 diabetes who don't require insulin are buying enoug
Latest Science News -- ScienceDaily

Millions of low-risk people with diabetes may be testing their blood sugar too often

For people with Type 2 diabetes, testing blood sugar levels becomes part of everyday life. But a new study suggests that some of them test more often than they need to. Fourteen percent of people with Type 2 diabetes who don't require insulin are buying enough test strips to test their blood sugar two or more times a day -- when they don't need to test nearly that frequently according to medical guidelines.

Smelling the forest not the trees: Why animals are better at sniffing complex smells

Animals are much better at smelling a complex 'soup' of odorants rather than a single pure ingredient, a new study has revealed.
Latest Science News -- ScienceDaily

Smelling the forest not the trees: Why animals are better at sniffing complex smells

Animals are much better at smelling a complex 'soup' of odorants rather than a single pure ingredient, a new study has revealed.

Editing consciousness: How bereaved people control their thoughts without knowing it

A new study shows that avoidant grievers unconsciously monitor and block the contents of their mind-wandering, a discovery that could lead to more effective psychiatric treatment for bereaved people. The researchers, who studied 29 bereaved subjects, are the
Latest Science News -- ScienceDaily

Editing consciousness: How bereaved people control their thoughts without knowing it

A new study shows that avoidant grievers unconsciously monitor and block the contents of their mind-wandering, a discovery that could lead to more effective psychiatric treatment for bereaved people. The researchers, who studied 29 bereaved subjects, are the first to show how this unconscious thought suppression occurs.

Dopamine's yin-yang personality: It's an upper and a downer

Dopamine has a reputation as the key player in the brain's reward circuits, making us seek out pleasurable experiences, but growing evidence points to a multipronged role for the neurotransmitter. In particular, dopamine may also reinforce avoidance of painfu
Latest Science News -- ScienceDaily

Dopamine's yin-yang personality: It's an upper and a downer

Dopamine has a reputation as the key player in the brain's reward circuits, making us seek out pleasurable experiences, but growing evidence points to a multipronged role for the neurotransmitter. In particular, dopamine may also reinforce avoidance of painful experiences. Researchers have now mapped dopamine neurons in the brain with fiber photometry and discovered two parallel dopamine circuits driving attractive and aversive reinforcement learning and motivation.

Two compounds in coffee may team up to fight Parkinson's

Scientists have found a compound in coffee that may team up with caffeine to fight Parkinson's disease and Lewy body dementia -- two progressive and currently incurable diseases associated with brain degeneration.
Latest Science News -- ScienceDaily

Two compounds in coffee may team up to fight Parkinson's

Scientists have found a compound in coffee that may team up with caffeine to fight Parkinson's disease and Lewy body dementia -- two progressive and currently incurable diseases associated with brain degeneration.

Imaging atomic structure of important immune regulator

A new study provides a biophysical and structural assessment of a critical immune regulating protein called human T-cell immunoglobulin and mucin domain containing protein-3 (hTIM-3). Understanding the atomic structure of hTIM-3 provides new insights for targ
Latest Science News -- ScienceDaily

Imaging atomic structure of important immune regulator

A new study provides a biophysical and structural assessment of a critical immune regulating protein called human T-cell immunoglobulin and mucin domain containing protein-3 (hTIM-3). Understanding the atomic structure of hTIM-3 provides new insights for targeting this protein for numerous cancer and autoimmune therapeutics currently under clinical development.

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