Francisco Bicudo
ECOLOGY
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Great gardeners
Mathematical models reconstruct the seed-dispersing role by now-extinct animals
MOLECULAR BIOLOGY
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Allies for an antidotal serum
Medicinal plants may reduce local lesions caused by a jararaca snakebite
Biochemistry
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Treatment for bee stings
Compounds that reduce the effects of bee venom are undergoing tests
By Francisco Bicudo and Ricardo Zorzetto
BIOCHEMISTRY
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Movements under control
Compounds appear to reduce a serious side effect of Parkinson’s treatment
Physics
Friendly chaos
Apparently disorganized behaviors may benefit living beings and chemical reactions
Neurological development
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On satiation and other pleasures
Cells control hunger and activate the neural reward mechanisms
Cellular biology
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The clone’s heritage
Cellular reprogramming error redirects animal reproduction studies
Evolutionary biology
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The pioneers of South America
Brazilian marsupials came before Australian kangaroos on the evolutionary scale
Primary immunodeficiencies
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When the thymus gland is unwell
Extra copy of the gene harms the cells that defend against Down syndrome
By Francisco Bicudo and Ricardo Zorzetto
Environment
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Forest of pearls
In the Mata Atlantica rainforest, 59% of the trees are rare and may disappear
Oceanography
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Polluted paradise
Canal has made it easier to spread heavy metals along southern São Paulo coast
Ethology
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Tricks of a seducer
Male harvestmen that take care of the eggs and attract the attention of females
Physics
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The alphabet of vision
Signals that conduct the information from the eyes to the brain of flies
Cover
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Body at the limit
Physical exercise protects the organism
By Francisco Bicudo and Ricardo Zorzetto
Virology
Men in the spotlight
Masculine sexual health helps to contain a virus linked to uterus cancer