Researchers discover potential therapeutic targets on SARS-CoV-2 Spike protein
Graphic of viral entry into host cell mediated by spike protein
Silencing the alarm
Graphic of caterpillar eating tomato plant
Q&A with Ramesh Giri: How can we quickly access complex molecules for drug discovery?
Ramesh Giri

We spoke to Penn Stae chemist Ramesh Giri about a reaction he developed that creates multiple carbon-carbon bonds at once.

Friends matter: More sociable giraffes live longer
two giraffes foraging among trees

Adult female giraffes that group together with more of their peers live longer than less sociable individuals, according to a new study.

Vector-borne diseases shaped human history and reveal race disparities
doctor examining child for yellow fever
Vaccines against 10 diseases prevented 37 million deaths in last 20 years
girl receiving vaccine shot
Unusual DNA folding increases the rates of mutations
Illustration of non-B DNA with graph showing increased mutation rate
Q&A with Mark Hedglin: How does a cell regulate the repair of its damaged DNA?
Mark Hedglin

We spoke to Mark Hedglin about how a cell regulates the repair of its damaged DNA.

Regulating the ribosomal RNA production line
The FEI Titan Krios Cryo-electron microscope and images of RNA polymerase
Synthesis of potent antibiotic follows unusual chemical pathway
TsrM crystal structure and reaction steps

Images of a protein involved in creating a potent antibiotic reveal the unusual first steps of the antibiotic’s synthesis.

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