Science

Zoology

The Alta Floresta titi

A new species of monkey is discovered in northern Mato Grosso State

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Animal nutrition

A diet of chicken and corn

Studies find that the majority of dog food in Brazil is based on a less-than-ideal formula of these two ingredients

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Geology

New copper finds north of Carajás

Survey reveals potentially vast reserves of the metal in the Bacajá region

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GEOGRAPHY

The young Amazon

Central region of the rainforest may have formed just 45,000 years ago as wetlands receded

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Physical chemistry 

The periodic table at a crossroads

After 150 years, the diagram that arranges the chemical elements based on their similar properties faces difficulties for further growth

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INTERVIEW

Peter Goddard: The risks of knowledge

British physicist Peter Goddard, former director of the Institute for Advanced Study at Princeton, says innovative research must be unpredictable

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Heritage

Inside the ruins of the National Museum

Five months after the fire, a visit to the rubble shows what remains of São Cristóvão Palace

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Evolution

The origin of the butterfly

Studies based on gene and fossil analysis estimate that butterflies emerged between 120 and 100 million years ago

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Public health

Emotions weigh heavy on the heart

A study of 15,000 people in Brazil indicates an association between psychiatric problems and cardiovascular diseases

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Physiology

An enemy unknown

Brazilian researchers find that fasting causes growth hormone to activate neurons that induce hunger and undermine weight loss

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Astronomy

A world on the edge of the solar system

Astronomers gather more evidence of another planet beyond Neptune

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Food science 

Microorganisms of flavor

Study identifies the bacteria that give 11 types of Brazilian artisan cheese their distinctive traits

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Paleontology

The horned crocodile of Acre

New fossil belonged to the 31st known species of a group of reptiles that lived in South America between 23 million and 5 million years ago

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Physico-chemistry

Hidden strokes of Portinari

Tests show how the artist produced his artwork and may be useful in confirming the painter of a piece found in his former home

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Archaeology

The water people

For 1,000 years, indigenous people in South America lived in stilt-house villages in the lowlands of present-day Maranhão

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Archaeogenetics

Tracking the ancestry of corn

DNA reveals a complex domestication history largely set in Mexico and the Amazon

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Meteorology

From the earth to the sky

Researchers to use German aircraft to investigate how nanoparticles produce storms in the Amazon

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Interview

Alexandre Antonelli: At the forefront of science in royal gardens

In February, Brazilian biologist will take the role of scientific director of Kew Gardens in the United Kingdom

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MEDICINE

Transplantation to treat infertility

Physicians in São Paulo announce the world’s first successful uterus transplant from a deceased donor

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Psychiatry

The other side of ayahuasca

Research teams from Natal and Ribeirão Preto conduct initial tests on antidepressant properties of ayahuasca tea made of leaves and bark from the Amazon

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Psychiatry

Battling persistent depression

Studies suggest that low doses of psychedelic anesthetics may be beneficial to people who do not respond to conventional medication

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Health

Life-saving vaccines

Butantan produces 100 million doses of nine vaccines each year

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Health

Partnership for a dengue vaccine

A Butantan vaccine in final trials leads to a US$100 million agreement with a US pharma company

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Astronomy

Unusual Stars

Researchers puzzled by recent discoveries of stars with variable brightness

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Oceanography

The progressive destruction of Brazilian beaches

Loss or accumulation of sand and mud has altered 60% of the Brazilian coastline

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Biochemistry

Green, yellow, or red

Bioluminescence research sheds new light on the mechanisms behind firefly colors

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Ecology

The fragile DNA of sharks

Overfishing could further decrease the naturally low genetic diversity of some commercially valuable species

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Medicine

Searching for rare diseases

Number of Brazilians diagnosed with uncommon genetic pathologies increases 150% in four years

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Oncology

Doubling the effort against cancer

Hospitals such as ICESP and A.C.Camargo combine basic research with applied research in the search for better treatments for tumors

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Tropical diseases

A center for safeguarding health in the Amazon

Founded in 1936, the Evandro Chagas Institute produces world-leading research on infectious and parasitic diseases and environmental issues

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