Python scales host microstructures that block bacterial biofilms—revealing potential for antimicrobial materials

Materials inspired by nature, or biomimetic materials, are nothing new. Scientists have designed water-resistant materials ...

North Andover police officer Kelsey Fitzsimmons' trial gets underway; officer who shot her testifies

The criminal trial for Kelsey Fitzsimmons, the North Andover police officer who was shot last year while being served a ...

Kelsey Fitzsimmons trial: Conflicting accounts of shooting emerge

The prosecution’s case against Kelsey Fitzsimmons hinges on the testimony of a North Andover police officer who took the ...

New video shown in court shows moments after officer shot Kelsey Fitzsimmons, fiancé running

New surveillance video shown in court captures the moments after shots were fired at former North Andover officer Kelsey ...

Police officer who shot Kelsey Fitzsimmons testifies at trial: ‘I was completely shocked’

Testimony began Monday morning in the trial of former North Andover police officer Kelsey Fitzsimmons. Fitzsimmons, 29, is ...