Biodiversity hypothesis called into question

Biologists have long considered the origins and continued coexistence of the immense diversity of species found in our environment. How can we explain the fact that no single species predominates? A generally accepted hypothesis ...

Scientists discover new rules about 'runaway' transcription

On the evolutionary tree, humans diverged from yeast roughly 1 billion years ago. By comparison, two seemingly similar species of bacteria, Escherichia coli and Bacillus subtilis, have been evolving apart for roughly twice ...

Severely damaged sea urchin shows astonishing resilience

Together with his colleague Christian Neumann of the Natural History Museum in Berlin, Senckenberg scientist Max Wisshak documented a sea urchin's fight for survival on the ocean floor off Spitsbergen. In their study, recently ...

Dissolved oxygen and pH policy leave fisheries at risk

In a Policy Forum, "Dissolved oxygen and pH criteria leave fisheries at risk" published in the April 24 issue of the journal Science, Stony Brook University's Dr. Christopher J. Gobler, Endowed Chair of Coastal Ecology and ...

What are the environmental impacts of cancer drugs?

Chemotherapeutic drugs, also known as antineoplastic agents, that are prescribed to treat a range of cancer types, enter the aquatic environment via human excretion and wastewater treatment facilities. A review published ...

Physicists produce stable water-based graphene dispersions

UmeƄ researchers show how activated graphene, activated carbons and other hydrophobic carbons can be dispersed in water in a form of micrometer-sized particles. The key agent that helps to make these dispersions last for ...

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