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December 14 2019

17:25

Following the lizard lung labyrinth

Birds and mammals are on extreme ends of the airflow spectrum. Mammals inhale oxygen-rich air and they exhale depleted air, exhibiting a so-called tidal flow pattern. In contrast, bird breath travels tidally through part of the respiratory system, but in a one-way loop throughout most of the lung. Biologists have discovered that Savannah monitor lizards have lung structures that are hybrid system of bird and mammal lungs.
17:25

Conscious visual perception occurs outside the visual system

A new study finds that the conscious perception of visual location occurs in the frontal lobes of the brain, rather than in the visual system in the back of the brain. The results are significant given the ongoing debate among neuroscientists on what consciousness is and where it happens in the brain.
17:25

Mitochondria are the 'canary in the coal mine' for cellular stress

Mitochondria, tiny structures present in most cells, are known for their energy-generating machinery. Now, researchers have discovered a new function of mitochondria: they set off molecular alarms when cells are exposed to stress or chemicals that can damage DNA, such as chemotherapy. The results could lead to new cancer treatments that prevent tumors from becoming resistant to chemotherapy.
17:20

UN climate talks unravelling, face failure

A UN climate summit in Madrid risked collapsing Saturday after all-night negotiations between countries left them more divided than ever over on how to fight global warming and pay for its ravages.
17:19

Cholera kills over 27,000 pigs in Indonesia

More than 27,000 pigs have died in a hog-cholera epidemic that has struck Indonesia, with thousands more at risk, an animal welfare official said.
17:19

US finally giving boot to official foot measurement

Change is afoot for the official measuring stick used to size up big places in America.
17:16

Deforestation in Brazil's Amazon up by more than double: data

Deforestation in Brazil's Amazon in November surged by 104 percent compared to the same month in 2018, according to official data released Saturday.
09:11

Five years of thirst: S.Africa's Eastern Cape battles brutal drought

South African farmer Steve Bothma heaved a sigh of relief when the weatherman finally predicted rain.
09:08

Thousands of 'penis fish' exposed on California beach

Thousands of marine worms dubbed "penis fish" for their shape and color appeared this week on a California beach after a strong winter storm exposed them.
09:08

Mitochondria are the 'canary in the coal mine' for cellular stress

Mitochondria, tiny structures present in most cells, are known for their energy-generating machinery. Now, Salk researchers have discovered a new function of mitochondria: they set off molecular alarms when cells are exposed to stress or chemicals that can damage DNA, such as chemotherapy. The results, published online in Nature Metabolism on December 9, 2019, could lead to new cancer treatments that prevent tumors from becoming resistant to chemotherapy.
09:03

December 13 2019

20:55

When a Mantis Shrimp Fights a Disco Clam, It Meets Its Match

The mantis shrimp beats the hell out of almost anything it can get its hammers on. Except, that is, for the disco clam, which unleashes a dazzling defense.
20:51

RIT and IAR observe pulsars for the first time from South America

Rochester Institute of Technology and the Instituto Argentino de Radioastronomía (IAR) have collaborated to make the first pulsar observations from South America.
20:20

More companies sign on to help lessen global climate change’s harshest effects

The below Dec. 11, 2019 press release from United Nations Global Compact. 177 companies have pledged to set highly ambitious emissions reduction targets to help limit the worst effects of climate change — more than doubling in size since the first group of early movers was announced at the UN Climate Action Summit in September. … Continue reading More companies sign on to help lessen global climate change’s harshest effects
19:36

Climate talks head into overtime with key issues unresolved

Officials from almost 200 countries hunkered down for another night of talks late Friday as a U.N. climate meeting in Madrid went into overtime without agreement on key issues.
19:34

The wild relatives of major vegetables, needed for climate resilience, are in danger

Growing up in the wild makes plants tough. Wild plants evolve to survive the whims of nature and thrive in difficult conditions, including extreme climate conditions, poor soils, and pests and disease. Their better-known descendants—the domesticated plants that are critical to a healthy diet—are often not nearly as hardy. The genes that make crop wild relatives robust have the potential to make their cultivated cousins—our food plants—better prepared for a harsh climate future. But a series of new research papers show these critical plants are imperiled.
19:33

Why are giant pandas born so tiny?

Born pink, blind, and helpless, giant pandas typically weigh about 100 grams at birth—the equivalent of a stick of butter. Their mothers are 900 times more massive than that.
19:33

Unearthing the mystery of the meaning of Easter Island's Moai

Based on a 5-year excavation of two Moai found within the Easter Island quarry called Rano Raraku, the Easter Island Statue Project released the first definitive study to reveal the quarry as a complex landscape and link soil fertility, agriculture, quarrying and the sacred nature of the Moai. Chemistry testing suggests the soil in the quarry itself was made more fertile by the act of quarrying, with traces of taro, banana and sweet potato in the area.
19:24

Why are giant pandas born so tiny?

Born pink, blind, and helpless, giant pandas typically weigh about 100 grams at birth -- the equivalent of a stick of butter. Their mothers are 900 times more massive than that. That raises a question that has vexed biologists: why the disparity? No one knows the answer, but by comparing bone growth across newborn bears, dogs and other animals, scientists find that one idea doesn't hold up.
19:24

Paving the way to healing complex trauma

A major study has identified key themes that will be used to inform strategies to support Aboriginal and Torres Strait Islander parents in the first years of their children's lives.
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