Guia Covid-19

Biochemistry

Biochemistry

Anti-predator chemical shield

Seemingly harmless at first glance, the African maned rat (Lophiomys imhausi) carries a lethal weapon in its coat

By

Biology

Underground dispute

A team of researchers from the USA, Spain, and Brazil have explained the growth behavior of plant roots

By

Photolab

Underwater stars

When disturbed by a physical bump or a beam of light, the tunicates Pyrosoma atlanticum emit a turquoise light

By

Memory

The chemist of evolution

Otto Gottlieb associated the structural complexity of substances with the development plants and their environment

By

Chemistry

Life on Venus?

An international group of researchers identified the presence of phosphine, a possible sign of life, in the atmosphere of Venus

By

Biochemistry

The trigger for muscular strength

An international group of researchers has identified a chemical compound that functions as a molecular trigger for the strength gains caused by physical exercise

By

Chemistry

Impurities in psychedelics

Researchers analyzed drugs seized in Santa Catarina between 2011 and 2017 and found a change in the composition of blotters

By

Health

Low vitamin D levels

In Brazil, about 875,000 people aged over 50 are deficient in vitamin D

By

Technology

Nanocellulose sensors

Microbial nanocellulose could be used to make electrochemical sensors that attach to the skin to monitor health conditions or physical performance

By

Biochemistry

Venomous amphibians

Caecilians are venomous animals, capable of injecting venom into their prey, say researchers from the Butantan Institute

By

Innovation

From cocoons to bones

A team has developed a potentially simpler, faster, and cheaper strategy for producing a biocompatible material that can be used as a scaffold for repairing long bones

By

Medicine

Gelatin optical fiber

Researchers used agar, a type of gelatin extracted from algae, to develop a biodegradable and biocompatible optical fiber

By

Pharmacology

Medicines from Cannabis

Based on its proven efficacy for epilepsy, cannabidiol has become the target of intensive research

By

Interview

Heather Lombardi: Support for gene editing

FDA official says the agency is in favor of editing the genomes of living organisms to create products that benefit society

By

Genetics

The glowing mosquito from Vale do Ribeira

It may be possible to genetically engineer the larvae of disease-causing mosquitoes such as Aedes aegypti to make them glow

By

Biology

Giants with their own light source

Researchers have now isolated the substances involved in Dosidicus gigas bioluminescence

By

Biology

The changing venom of a stingray

Stingray venom changes as the fish mature

By

Biochemistry

Green, yellow, or red

Bioluminescence research sheds new light on the mechanisms behind firefly colors

By

Retrospect

The chemistry of success

USP’s School of Pharmaceutical Sciences reaches its 120th anniversary as a leading institution in medicines, clinical and toxicological testing, and food science

By

Archaeology

The origin of chocolate and camouflaged fungus

Artifacts that belonged to native Americans between 5,300 and 2,100 years ago hold the earliest evidence of the domestication and use of cacao

By

Biology

The chemical language of insects

Within colonies, bees and ants recognize each other and organize themselves through compounds that cover their bodies

By

Neuroscience

Pain neurons grown in a laboratory

Brazilian researchers have developed human sensory neurons in a laboratory for the first time

By

INTERVIEW

Andrew Simpson: Ready for take-off

A biochemist talks about Orygen Biotecnologia's projects and the importance of biologic medicines

By

Genetics

The limitations of a genome editing technique

The CRISPR-Cas9 gene-editing technique is less accurate than previously thought

By

ASTRONOMY

Hard and lifeless

Even though they resemble Earth, the crusts of some rocky exoplanets may be too rigid to be habitable

By

careers

A new generation of Petri dishes

Biochemist Margaret Magdesian developed an alternative device for growing cells and started her own company in Canada to manufacture it

By

PHARMACY

An eclectic plant

Jambu is used not only in the kitchen but also in cosmetics, and could be used in dentistry and to kill ticks

By

Chemistry

Enzyme transforms plants into a source of light

Chemical Engineers at the MIT have created a watercress plant capable of emitting light for up to four hours

By

careers

From the genome to the market

Project inspired biochemist to move into corporate research

By

careers

Innovation beyond skin deep

Biochemist created a company for developing anti-aging products

By