Rafael Garcia

GENETICS

Scattered ancestry

Mestizos from Brazil's southern states have more Amerindian DNA lineages than modern-day indigenous groups in the region

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GEOGRAPHY

The dance of the dunes

Researchers collect precise data on the movement of sand dunes in Lençóis Maranhenses

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Environment

How to monitor forest fires

Data from NASA and INPE satellites confirm an increased number of fires in the Amazon

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Ecology

Plants that grow on iron

Research finds 38 plant species that exist only in the so-called Amazonian cangas, a type of rupestrian grassland found in the Serra de Carajás area

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Environment

How to monitor forest fires

Data from NASA and INPE satellites confirms increased number of fires in the Amazon

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New materials 

New energy applications for gold and platinum

Platinum-coated gold nanoparticles could enhance the efficiency of fuel-cell catalysts

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Physico-chemistry

The hidden strokes of Portinari

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

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Environment

How forests are reborn

In dry areas, hardwood trees are the first to naturally regenerate, while the reverse scenario occurs in wet forests

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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

Butantan produces 100 million doses of nine different types each year

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Paleontology

Why Crato uniquely preserves fossils

A shrimp found in Crato illustrates the rich detail exhibited by fossils in the area

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Genetics

New mutations linked to short stature

DNA testing reveals origin of 15% of growth disorders without a known cause in children

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Geography

The dance of the dunes

Researchers collect precise data on the movement of sand dunes in Lençóis Maranhenses

By

Genetics

Scattered ancestry

Mestizos from Brazil's southern states have more Amerindian DNA lineage than modern-day indigenous groups in the region.

By

Environment

How forests are reborn

In dry areas, hardwood trees are the first to naturally regenerate, while the reverse occurs in wet forests

By

New materials

New energy applications for gold and platinum

Platinum-coated gold nanoparticles could enhance the efficiency of fuel-cell catalysts

By

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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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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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

By

Health

Life-saving vaccines

Butantan produces 100 million doses of nine vaccines each year

By

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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BOTANY

Rescuing a species

Ways to conserve the tree that has become a symbol of Minas Gerais endurance

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GENOMICS

An orderly swarm

DNA sequencing of bees helps to decipher how these insects develop

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