Science

Geography

The dance of the dunes

Researchers collect precise data on the movement of sand dunes in Lençóis Maranhenses

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Oceanography

Revelations from a submerged archipelago

Beaches, rivers, and mangroves covered a mountain range that was above sea level 40 million years ago

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Epidemiology

Health in the balance

Spending cuts in primary care could curb decline in premature mortality, modeling shows

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Interview

Paola Marcella Camargo Minoprio: A new front against emerging diseases

The Pasteur Institute in Paris, USP, and FIOCRUZ start partnership under coordination of São Paulo biomedical scientist

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Archaeology

Homo sapiens in the Peloponnese

A 210,000-year-old skull fragment found in southern Greece may be the oldest evidence of the presence of modern humans outside Africa

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Paleoanthropology

Diaspora 2.5 million years ago

Chipped stone artifacts found in Jordan may be evidence of archaic humans leaving Africa 400,000 years earlier than previously thought

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Physics

The unexpected power of friction

Brazilian and German scientists explain unexpected motion of barrel in explosive ping-pong ball experiment

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Soundscape

Environmental acoustics

Audio recordings are used to profile ecosystems and identify changes caused by humans

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Genetics

Scattered ancestry

Mestizos from Brazil's southern states have more Amerindian DNA lineage than modern-day indigenous groups in the region.

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Neurology

A new form of dementia

Confused with Alzheimer’s, LATE appears with greater frequency in octogenarians

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Public health

Kissing bugs have arrived in Greater São Paulo

Since 2015, more than 100 insects have been captured, 30% of them infected with the protozoan that causes Chagas disease

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Epidemiology

Fattening foods

New evidence links ultra-processed foods to weight gain

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PHYSICS

Fluidity in curved space-time

Study backs up theory on how dense matter interacts with strong gravitational fields

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Paleontology

A stranger in the Grand Canyon

280-million-year-old fossil footprints from an ancient desert provide first evidence of the presence of vertebrates that in theory had not yet adapted to dry environments

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Environment

How forests are reborn

In dry areas, hardwood trees are the first to naturally regenerate, while the reverse occurs in wet forests

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Ecology

Selective hosts

Flowers exploit color and odor to hide from or attract specific bees

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Medicine

Bacteria against disease

Researchers test fecal microbiota transplantation and foods with live microorganisms in treating infections

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New materials

New energy applications for gold and platinum

Platinum-coated gold nanoparticles could enhance the efficiency of fuel-cell catalysts

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Oncology

Mapped-out risk

Study identifies the genetic profile of Brazilian patients with a rare disease that causes a specific type of thyroid cancer

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Ecology

Stingless and highly sensitive

Native bee larvae are shown to be less resistant to insecticides than the European honeybee Apis mellifera

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Heritage

Likely origin of the fire

Report names overloaded air-conditioning system and electrical failures as cause of National Museum fire

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Physics

Particle super-cooler

São Carlos research group develops simpler method for producing ultracold molecules

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Cosmology

Visibility limit

International radio telescope array produces the first image of a black hole

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Naval engineering 

Renewing the fleet

The Brazilian Navy launches the Riachuelo, the first of five submarines that will set a new technological benchmark for the national naval industry

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Astronomy

Unusual Stars

Researchers puzzled by recent discoveries of stars with variable brightness

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Oceanography

Sources of methane

Two thousand craters releasing the greenhouse gas found off the Brazilian coast

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Oncology

Doubling the effort against cancer

Hospitals such as ICESP and A.C. Camargo combine basic research with applied research in the search for better treatments for tumors

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HEALTH

Early-term births on the rise

In 2015, 40% of babies were born before reaching biological maturity, partly because of elective cesarean sections

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Astronautics

The private conquest of the Cosmos

A capsule of the company SpaceX flies to the International Space Station and may give the United States the capacity to put humans in orbit

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Zoology

The origin of perching birds

A group representing more than 60% of bird species originated in Australia 47 million years ago, study finds

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