Science

Fossils

The hoatzin’s long journey

Origins of the Amazonian bird that “ruminates”

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CELL WALL

The coating of ferns

Plants have different structures from those previously found

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Ageing

The price of longevity

Increase in life expectancy results in new problems

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Archeology

Luzio’s diet

Prehistoric man lived on river banks, but he rarely ate fish

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Paleobotany

The trees of the desert

Forest of conifer trees thrived a hot and sandy environment

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Cell Biology

The discrete parasite

Trypanosoma cruzi makes cells work for its benefit

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International Year of Chemistry

Pharmacological Battles

Cutting-edge science seeks solutions for neglected tropical diseases

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Modified organisms

Anti-virus protection

Transgenic beans are immune to bean golden mosaic disease

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Astrophysics

An X in the Milky Way?

The center of the galaxy might have two crisscrossing bars

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Physics

Rather similar

Neutrinos and antineutrinos actually seem to have the same mass

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Fractals

Jagged coastlines

Physicists try to explain why coastlines vary so much

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International Year of Chemistry

Flavors and perfumes

Sweet, bitter and smelly compounds are the main characters in the story

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Ecology

Mobile nurseries

Fish reproduce and raise the young in specific parts of mangrove swamps

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Nutrition

The dangers of fasting

Staying a long time without eating cause serious imbalances in the organism

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Physics

Energy from the stars

Brazilians and Europeans seek control of nuclear fusion

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Astronomy

The heavyweights of the Universe

A mechanism may explain the stars from neutrons that are bigger than normal

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International Year of Chemistry

From molecules to organisms

The wealth of biodiversity in the Brazilian forests

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Environment

Planting in rows

This method can help the movement of small mammals

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Public health

Before waging war on mosquitoes

Context of trip determines whether it is necessary to take malaria medication

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Immunology

Allergies make us moody

More than a mere irritation, too much sensitivity to foods may cause anxiety

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Physics

Restless neighborhood

Strategy allows evaluation of interaction between nanoparticles

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Geophysics

The Earth is molded by gravity

Accurate measurements deform the idea of the perfect sphere

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Physiology

Memories of origin

The endothelial cells store information from the donor

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Neurophysiology

Unexpected effect

Corticoids activate inflammation mechanisms in areas of the brain

Evolution

When hybrids are fertile

Unlikely cross breeds can create new species of plants and animals

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Nutrition

Chickens along the River Solimões

River dwellers change a diet of fish with manioc flour for frozen poultry

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Bioenergy

Unexpected butanol

Researcher extracts fuel using vacuum and contradicts established paradigm

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International Year of Chemistry

Medicine is made of molecules

Chemical components are behind diseases, diagnoses and treatments

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Paleontology

A prehistoric tapir

Amazonia may have harbored a now extinct species 40,000 years ago

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Statistics

The life of words

The evolution of the vocabulary of on-line communities

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