Notes

Ecology

Marine animal conservation failures

Global study warns of declining marine animal populations

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Medicine

Another way to measure blood cholesterol

Combination of lipoprotein markers could more accurately assess heart disease risk

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Ethnobotany

A plant with many uses dating back 2,700 years

Wild rue was used 2,700 years ago as a medicine, to purify spaces, and for its psychoactive effects

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Nutrition

The only country self-sufficient in food

Guyana is the only country in the world that produces enough basic food to sustain its own population

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Geology

Climbing rocks receive little attention

Around 80% of climbing sites lack signage, environmental management, and visitor guidelines

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Zoology

White-tailed deer populations recover

US deer population grew from 300,000 to 35 million after hunting declined in the twentieth century

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Innovation

Fixing cracks in concrete with lichen

Lichens mixed into concrete repair cracks

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Astrophysics

The Gas Giant was once bigger

Jupiter rapidly doubled in volume soon after the formation of the Solar System

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FAPESP

New scientific coordinator at Pesquisa FAPESP

Luiz Britto named new scientific coordinator of Pesquisa FAPESP

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Xenotransplantation

First two pig kidney transplants

First two people to receive genetically modified pig kidneys die

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Paleontology

X-ray of an ancient organism

X-ray analysis shows that the first animals with skeletons, which lived 55 million years ago, were elongated and tubular

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Acknowledgment

Vahan Agopyan given title of professor emeritus at USP

Vahan Agopyan awarded title of professor emeritus at USP

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Education

The effects of cyberbullying

All forms of cyberbullying can cause trauma, according to a study of teenagers aged 13 to 17 years old

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Paleontology

The Brazilian cradle of dinosaurs

New ancient dinosaur discovered in Rio Grande do Sul

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Mental health

Depression and anxiety among students

More than half of all students at Brazilian public universities show signs of depression and anxiety

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Physics

Rare form of helium abundant in the Sun

Solar Probe records highest ever observed concentration of rare isotope helium-3 in the Sun

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Food

Eating less meat reduces environmental impact

Red meat is incompatible with a sustainable diet due to high environmental impact

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New materials

Rigid and stretchy double network

Researchers develop synthetic metamaterial that combines seemingly incompatible properties

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Botany

Why does a rose smell like a rose?

Volatile organic compounds present in the aroma of roses trigger emotional response

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Economy

Faster financial transactions

Scientists create new financial transaction technology that promises to be faster and more efficient

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Public health

Ethiopian holy water brings cholera to Germany and the UK

Ethiopian holy water brings cholera to Germany and the UK

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Zoology

Still hunters

Despite having been domesticated, dogs and cats maintain their predatory instinct and pose risks to wildlife

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Biodiversity

Fungal diversity continues to decline

Fungal diversity is declining, with many species threatened with extinction

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Archaeology

Mayan altar reveals conflicts between ancient peoples

Archaeologists find Mayan altar from 300 AD clearly influenced by Mexican city

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Ecology

Intense droughts, the greatest enemy of amphibians

Severe droughts have drastically reduced amphibian populations

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Linguistics

Learning Nheengatu

Nheengatu, language of Tupi origin, still spoken in the Amazon

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Astrophysics

Portrait of the Universe

Space mission captures images of 380,000 galaxies of varying shapes and sizes

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Medicine

Precious information about earwax

Compounds in earwax may help detect cancer in its early stages

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Ecology

Lionfish taking over the Brazilian coastline

Thousands of lionfish taking over the Brazilian coastline

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Public health

Chikungunya vaccine arrives in Brazil

ANVISA approves Chikungunya vaccine for use in Brazil

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