Botany
Video
The plant biological clock benefits agriculture
Understanding the plant circadian rhythms, and learning how to manipulate them, may widen cultivation options | 2'42
By Redação
Photolab
The phoenix tree
Like the mythical bird that rises from the ashes, the andira tree sprouts from the ground after wildfires in the Cerrado
By Redação
Biology
Underground dispute
A team of researchers from the USA, Spain, and Brazil have explained the growth behavior of plant roots
By Redação
Photolab
Plant-stem lace
If you take a thin slice of a young stem of Acleisanthes chenopodioides and look at it under a microscope, this is what you will see
By Redação
Photolab
Inside the vines
The dyed stem cross-sections in the images show the stiffer and the more flexible parts of forest vines
By Redação
Botany
Plants with miner roots
Study demonstrates a new function of the roots of B. tomentosa and B. macrantha
By Redação
Botany
Rare Cuban flora
The library at Cornell University, USA, has published a scanned copy of a nineteenth-century manuscript on Cuban flora by American botanist Nancy Anne Kingsbury Wollstonecraft on its website
By Redação
Botanics
The origin of the mango flower’s sweet smell
In the mango and cajuzinho-do-campo flowers, the scent glands are located at the inner base of the petals
By Redação
Photolab
A perfect fit
Frogs are very particular when choosing the flowers in which they will spend their whole lives
By Redação
photolab
Splendor at the highest heights
High in the Itatiaia mountains in Rio de Janeiro, more than 2,000 meters above sea level, the brightly colored flowers of the Buddleja speciosissima demand attention
By Redação
HERITAGE
The pain of loss
Six hours of fire destroyed 200 years of heritage at the largest natural-history museum in Latin America
By Redação
