Notes

Immunology

An explanation for severe dengue

Dengue fever less severe in people of African descent

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Innovation

Concrete made with coffee instead of sand

Dengue fever less severe in people of African descent

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Astrophysics

Superhot gases connect galaxies

Filament of superhot gas connects four galaxy clusters

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Immunology

Rabies vaccine in gel form for bats

Vaccine in gel form helps control rabies transmission in bats

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Paleontology

Ice Age survivors

443-million-year-old arthropods withstood major climate changes

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Environment

The unwanted effects of sunscreen

Compound used in sunscreen and other cosmetics hinders plastic degradation

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Zoology

Solved: the mystery of sex in egg-laying mammals

Platypus sex determined by hormone-derived gene

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Zoology

Fifty-nine snake species in the Pampas

Guide presents 59 snake species found in the Pampas

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Technology

Detecting cancer with microwaves

Scientists test microwave device for detecting cancer in blood

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Dentistry

Habits that lead to tooth loss

Almost 1 in 3 Brazilians aged over 60 have lost all of their teeth

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Paleontology

Ancient Colombian people with no descendants

Indigenous people who lived in Colombia 6,000 years ago left no descendants

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Environment

Second-hand clothes pollute the air and rivers in Africa

Huge volumes of used clothing sent to Africa are polluting rivers

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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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