Chemistry

Yvonne Primerano Mascarenhas

Yvonne Primerano Mascarenhas: The master of crystals

Physicist studied molecular structures using X-ray diffraction in the 1960s

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COVER

Unlikely allies

Genetically engineered microorganisms help fight diseases

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Biodiversity

Pesticide may affect bees

Insecticides that coat commercial seeds are affecting bee populations

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Physics

Light makes polymer walk like a caterpillar

Light makes polymer walk like a caterpillar

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Chemistry

The two states of liquid water

Liquid water is believed to exist in both high- and low-density states

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astronomy

A new era for astrophysics

The detection of gravitational waves from a neutron star collision

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Agriculture

Bioinsecticide kills corn pest through starvation

Bioinsecticide kills corn pest through starvation

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PHOTOLAB

Nature’s pharmacy

Nature’s pharmacy

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Corporate research

Laboratory drives innovation

Aché signs partnerships to develop new pharmaceuticals

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Chemistry

Natural lighting

Bioluminescent fungi recycle molecule that allows them to emit light

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Paleontology

Bacteria that preserve fossils

The action of microorganisms may help preserve fragments of soft tissue

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Photolab

Diamonds in the sky

Diamonds in the sky

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Crystallography

Three-dimensional model against Zika

Protein structure essential to zika virus replication is unraveled

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Agriculture

More nitrogen in crops

Polymer-coated urea loses less nitrogen

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Archaeology

The peoples of Lagoa Santa

Human burial sites in Minas Gerais reveal a succession of customs from 10,000 to 8,000 years ago

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CAREERS

This way to Venus

Studies performed by chemist land him a research position at NASA

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CORPORATE RESEARCH

Chemistry in evolution

Rhodia invests in sustainable chemistry

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Chemistry

Capturing aromas

Embrapa-designed handheld device captures plant volatiles

Medicine

Mental examination

Scientists develop methodology for diagnosis of psychiatric disorders

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FIELD WORK

Scenes from an archeological site

Archeological excavations at an ancient burial site

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Chemistry

How fungi use chemistry to shine in the darkness of the forest

How fungi use chemistry to shine in the darkness of the forest

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Immunology

Vaccines preserved at room temperature

Chemical additives could increase the longevity of vaccines

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CAS

Tools for innovation

Forum discuss strategies to foster innovation in the Brazilian business sector

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Materials

A material that shrinks when heated

In experiment, heated structures bent in on themselves rather than expanding

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Careers

Experimental fields

Agronomist left Brazil to implement a project in Africa

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CHEMICAL ENGINEERING

Combating dry land

Natural polymers can make agricultural crops viable in arid regions

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phosphoethanolamine

Non-toxic phosphoethanolamine

The drug was deemed safe after the phase 1 of clinical trial

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NOBEL PRIZE

Autophagy, topological transitions and molecular machines

Autophagy, topological transitions and molecular machines

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PHYSICS

Very malleable solids

Computer simulations help explain the flexibility of helium crystals

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Bioengineering

Ready to compete

Student club prepares teams to take part in international competition

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