Francisco Bicudo

Geology

Mountains of history

Rocks tells about the formation of Brazil and the movements of the earth crust

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Reptiles

The serpent’s paws

The hypothesis on the terrestrial origin of snakes is strengthened

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New Materials

Flexible hard disk

Manganese-based ceramics may improve the functioning of computers

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Genetics

High risk crossbreeding

Crossbreeds of the marine manatee generates sterile hybrids

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Virology

The tricks of HIV

Recombinant forms of the virus complicate the AIDS epidemic in Brazil

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Medicine

Warning against constant infections

Immunodeficiencies can be mistaken for common diseases in childhood

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Geology

The Earth covered with ice

Some 630 million years ago, the Amazon was a desert lying below an icecap

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Climatology

The map of the winds

Air currents lead humidity or smoke from the Amazon to the Prata basin

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Physiology

The chemistry of acupuncture

Acupuncture combat gastric ulcer and improve sleeping quality

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Physics

Trick of the eye

Equations explain the localization of objects that seem to come from nowhere

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Physics

Friendly chaos

Apparently disorganized behaviors may benefit living beings

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biology

In the rivers of Brazil

Biologists register 2,122 species of fish in the fresh water rivers of Brazil

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Communication

Our daily drama

Study proposes that journalism is the main contemporary narrative

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zoology

Witnesses of the primitive earth

Fixed jellyfishes form a new class of marine animals

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Physics

At the heart of the atom

Experiments deepen knowledge about the structure of matter

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neuroscience

Bloodless Surgery

Gamma rays help in the treatment of obsessive-compulsive disorders

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neuroscience

Preserved memories

New compounds reduce the damage done by Alzheimer's disease

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Cover

The double sacrifice is worth it

Diet and exercise, together, presents health benefits

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cosmology

Cosmic sneezes

Astrophysicists describe evolution of jets of gas 10 light-years in length

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Ecology

Life and death on the sand

Biologists from Rio assess the degree of destruction of 17 restingas

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Botany

Mountain flowers

Collection describes the 1.067 species of plants in Grão-Mogol

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paleontology

Living records of time

Marine invertebrates help to understand the evolution of the oceans

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Medicine

Danger at the table

Bracken consumed in Minas Gerais favors reproduction of tumor- linked virus

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Chemistry

The triumph of the left-handed

Study explains how aminoacids organize themselves to form proteins

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Biotechnology

Genetic therapy for hens

Unicamp researchers discover protein for fighting bird disease

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Biology

Under the yoke of Chronos

Team verifies the variety of rhythms that organize life in animals

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PHYSICAL CHEMISTRY

Dialogs with water

Molecules that change their behavior enable to model new substances

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Geology

Mother Earth

Team from USP puts South America on the map of Rodinia

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astrophysics

Pulsating Sun

Variation in the diameter of the sun is smaler than used to be believed

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