What were the first life forms like? In a new perspective article, scientists describe a strategy for answering this question by studying the earliest evolution of electron transport chains, a universal metabolic strategy ...
Evolution
Aug 14, 2023
0
1055
Leafcutter bees earned their name by the way they cut circular bits of leaves to use as building materials for their nests. But the bees seem to prefer some leaves more than others, and researchers now think they know why.
Plants & Animals
Aug 11, 2023
0
2
As butterflies flit among flowers, they don't all view blossoms the same way. In a phenomenon called sexually dimorphic vision, females of some butterfly species perceive ultraviolet color while the males see light and dark. ...
Plants & Animals
Aug 10, 2023
0
502
Multidrug-resistant bacterial infections are one of the most pressing issues in medicine, a situation that is only expected to worsen in the coming decades. The problem is being addressed not only by developing new antibiotics ...
Molecular & Computational biology
Aug 2, 2023
0
17
Call this a dog-bites-almost-everyone story.
Veterinary medicine
Jul 31, 2023
0
1
In addition to describing biological interactions, evolutionary theory has also become a valuable tool to make sense of the dynamics of social norms. Social norms determine which behaviors should be regarded as positive, ...
Mathematics
Jul 27, 2023
0
32
The origins of the plague go back to the Neolithic Age, with the oldest findings of the causative pathogen Yersinia pestis coming from human bones around 5,000 years old. In the history of the plague, the late antique Justinianic ...
Evolution
Jul 26, 2023
0
126
In the face of existential dilemmas that are shared by all of humanity, including the consequences of inequality or climate change, it is crucial to understand the conditions leading to cooperation. A new game theory model ...
Mathematics
Jul 24, 2023
0
78
In the story of Charles Darwin, there are two often-omitted footnotes: He was taught by a Black former enslaved man, John Edmonstone, and he was assisted in his groundbreaking research by a Black servant, Syms Covington.
Education
Jul 24, 2023
0
19
Containing more than 850 species, fig trees are one of the most diverse groups of plants in the world.
Evolution
Jul 14, 2023
0
575
