Biology

Eleutherodactylus johnstonei

Noisy frogs, sleepless nights in São Paulo

Noisy frogs, sleepless nights in São Paulo

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perfluorocarbon

Protective layer

Group develops coating that prevents contamination of medical devices

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HEALTH

Running is good!

Aerobic exercise fights inflammation and stiffening of the lungs

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Thomas Maack

Thomas Maack: Memories of a year that never ended

Physiologist on dictatorship, his own career and medical education

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COVER

A universal measuring stick

International group proposes ideal growth standard for fetuses and newborns

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ODONTOLOGY

Partnership with bees

Propolis gel is tested for treating harmful effects of radiation therapy

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OBITUARY

The tropical disease scientist

Hildebrando was one of the most respected parasitology experts in the world

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EVOLUTION

How to explain such a divided heart

The heart’s chambers may be the result of the action of retinoic acid

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Cover

Underground life

Adaptation to dark environments gives rise to odd-looking fauna

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biological clock

Why we are daytime creatures

Genetics may explain why humans and monkeys have diurnal habits

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best friend

Man’s best friend

Dogs are more interested in people's actions than in objects

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mimetism

Inspired by octopuses

MIT scientists reproduce squid and octopus' color changing ability

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Vulnerable species

Still hunted

Amazonian turtle populations remain at risk of decline

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Sustainability

Brackish-water tilapia

Project exploits saltwater's potential for plant growing and fish farming

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Cosmetics testing

A factory for artificial skin

The production of artificial skin is nearing industrial scale

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Biochemistry

Transformed microalgae

Membrane used as filter for culture media makes it possible to select biomass

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ASTROBIOLOGY

Molecule Smasher

Cosmic rays disintegrate formic acid

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CAREER

Technological knowledge in practice

Biologist Juliana Machado Ferreira establishes NGO to fight animal trafficking

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Cover

The Stepping Stones to Rare Diseases

Mapping indicates the distribution of genetic disorders in Brazil

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B IOPHYSICS

Monitoring bees

Microsensors help scientists understand honeybee behavior

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SPECIAL BIOTA EDUCATION XIV

The elements in the forests

Changes in organic compound cycles could speed ecosystem deterioration

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OCEANOGRAPHY

Creatures from the deep

Marine worms reveal strategies for adapting to the cold and dark waters

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IMMUNOLOGY

Mutual gains

T. gondii virulence strengthened their main host defences

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INFRASTRUCTURE

Shared Quality

Facilities ensure multiple users access to latest generation equipment

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Bizarre creatures

New carnivorous sponges

Researchers discover four new species of carnivorous sponges

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Biological machines

Autonomous sensor

Engineers develop a robot smaller than a centimeter based on muscle cells

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Thalassemia

Reversing anemia

Most common and debilitating symptom of the disease under control

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Parasitoid

Tiny mummifiers

New Andes wasp species mummify caterpillars in which they lay eggs

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Photolab

A depository of microorganisms

A depository of microorganisms

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Cover

Diverse networks

Program expands the knowledge of Brazilian biodiversity

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