Science

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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Twin star

A second sun

In the Dragon constellation, Suns's almost perfect copy

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People from the Amazon

The human factor

Brazil nuts may result from indigenous actions before Europeans

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Genome fragments

Wandering DNA

Fragments of genetic material move in a non-random pattern

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Higgs boson

An expanding jigsaw puzzle

Boson might reveal first clues to new elementary particle physics

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Complex networks

The order of scarcity

Reservoir pattern in Ceará may help to face drought and floods

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Borborema range

The origin of the mountain

Northeastern plain may have been formed around 30 million years ago

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Muscular distrophy

Joint treatment

Stem cells and growth factor combined reduce symptoms in mice

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Matings

The sexual flexibility of females

Males not always necessary for lizard reproduction

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Mental diseases

Storms of body and soul

Depression and euphoria may damage cells and accelerate aging

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