Science

Physiology

Interrupted nights

Inflammation blocks the hormone that tells the body that it's time to sleep

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Etiology

With sticks and stones

Capuchin monkey uses tools to break open fruit or hunt ants

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Botany

New model

Tomato plants help unveil the hormones that regulate the lives of plants

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Physics

Moving sculptures

Computer simulations explain how the giant dunes on Mars emerge and evolve

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Genetics

The DNA of the Pampas (grassy plains)

Guarani and Charrua Indians are among the Gaucho's ancestors

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Biochemistry

Another use

A new mechanism through which vitamin C combats free radicals is identified

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Health

Double risk Pregnancy

Marijuana harms the neurological development of newly born children

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Climate

The stressed forest

Researchers evaluate the effects of the 2005 drought in Amazonia

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Ecology

Life in the mud

The mangrove swamp crab and its hunter depend on each other for survival

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Mathematics

Creativity in chaos

An award reveals successes in the building of an theory about dynamic systems

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Genetics

From slave to master

RNA molecule takes over the place of DNA as a promise for fighting diseases

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Biochemistry

The apothecary from the Caatinga

Frog produces secretion capable of bring blood pressure down

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Climate

The day after tomorrow

Researchers unite to investigate the effects of global warning on Brazil

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Physics

The alphabet of vision

Signals that conduct the information from the eyes to the brain of flies

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Plastination

Anatomy Lesson

"Bodies... the exhibition" shows a fascinating spectacle of the human anatomy

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Epidemiology

Bacillus in the tribe

Tuberculosis is 20 times more common amongst Indians

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Biochemistry

Poison in vitro

Team develops a recipe to cultivate jararaca glands in the laboratory

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Zoology

The mother of all jararacas

The ancestor of the snakes was small and had a varied diet

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Botany

Textures of the forest

Genetic classification can guide the preservation of tropical rainforests

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Physics

Below zero

Computer simulations explain the electrical properties of ice.

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Medicine

Magnetism against depression

Technique shows itself to be efficient in the treatment of depression

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Nutrition

Bodies under pressure

Gymnasts and actresses suffer from the same dramas as models

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Epidemiology

Risky journey

Macho culture of truck drivers contributes towards disseminating Aids virus

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Physics

The dance of the metals

Alloy of gold and silver reveals unexpected behavior of the atoms

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Meteorology

The GDP from the clouds

Mathematical model analyzes the impacts of the climate changes

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Public Health

Behind the smoke screen

A study shows how to identify and treat high risk smokers

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Pharmacology

The trails of coke

Compound helps to elucidate cocaine's action on the brain

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Genetics

Secrets of Nobility

Biologists try to understand how the genes act in order to differentiate bees

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Diversity

Mammals to the surface

Biologists find an average of eight new species of mammals a year

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Botany

Open, Sesame!

Bacteria contend with plants to control the pores of the leaves

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