Science

Science

Spoan: a new illness

Consanguineous marriages bring about an unknown form of deficiency in a Northeast town

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Ecology

Jatoba against pollution

Tropical trees may be an option for cleaning the atmosphere, should the greenhouse effects increase

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Science

Wide awake

Lack of sleep activates sexuality, increases the sensitivity to pain and damages the liver and heart

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Evolution

When hybrids are fertile

Unlikely cross breeds can create new species of plants and animals

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Ecology

Chemistry in the air

Volatile compounds control the interaction between vegetables and insects

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MEDICINE

The fight against cancer

Antihypertensive medication halts tumor growth

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ASTRONOMY

The heavyweights of the Universe

The formation of neutron stars that are more massive than normal

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Evolution of the galaxy  

The heart of the Milky Way

Survey of stars reconstitutes the central region of the galaxy

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Tropical ecosystems 

Evolution written in lianas

Botanists use climbing plants to understand the origin of Brazilian forests

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Neurodegenerative diseases 

The brain’s timepiece

Compounds found in blood may indicate degree of brain aging

tropical disease

Parasite poised for the attack

Vesicles with proteins help Trypanosoma cruzi invade host cells

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PUBLIC HEALTH

AIDS still far from under control

High infection rates reveals weak spots in prevention strategies

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Science

The ancient Amazonia in the Espirito Santo state

The Atlantic Rainforest in Espírito Santo bears remnants of the Amazon Region from 7.8 thousand years ago

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Science

More than an eclipse

The collapse of stellar winds extends the cyclical blackout of the Eta Carinae star

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Science

Ancestral branches

The divergence among capuchin monkeys, as old as that between humans and chimpanzees, is reflected in their ecology and behavior

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Science

Numbers under review

Recounting neurons puts ideas about neuroscience in check

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Science

The first fracture

The movement of Gondwana nearly resulted in Brazil’s northeastern region becoming a part of Africa

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Nobel

Meeting of Nobel laureates

City brings together laureates to inspire new generations of scientists

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New materials

The value of impurities

A new family of materials that conduct electricity

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Global warming

Cleaner sugarcane fields

Emissions sugarcane plantations are lower than previously estimated

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Precambrian Fauna

Life protected by armor

The Northern of Paraguay have fossils of the earliest animals with skeletons

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Wild animals

The cougar’s paths

Felines are able to move around in regions occupied by human beings

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Neurological development

On satiation and other pleasures

Cells control hunger and activate the neural reward mechanisms

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Fragile skin

Struggling with the sun

Hereditary disorder aggravated by exposure to daylight

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Side effects

Medicine and poison

Compound against cancer damages heart cells

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Obituary

Among pioneers

Luiz Edmundo de Magalhães helped consolidate genetics in Brazil

Emerging parasites

The exterminator of amphibians

Animal trafficking may spread lethal fungus for toads and frogs

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Cretaceous

The bacteria that ate pterosaurs

Bacteria fossils have been found on 115 million year-old pterosaurs

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Astronomy

The heavyweights of the Universe

Alternative mechanism may explain the formation of stars from neutrons that are bigger than normal

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Marine life

The living rocks of Abrolhos

Largest bank of calcareous algae in the world, in Brazil

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