A new chemo delivery system minimizes impact on healthy cells

A research team developed a nanoparticle that releases chemotherapeutics inside tumor cells only, sparing healthy tissues. This nanoparticle, called ZnO-nanocarrier, activates when surrounded by high acidity – a pathological feature of tumor cells. The particle releases its chemotherapeutic load within six hours in acidic pH. During this process, the tumor cell undergoes a color change which […]

Can just a phone call a week help minimize postpartum depression?

A study of mothers in New Brunswick found that phone conversations with helpful peers can diminish postpartum depression (PPD). Researchers in New Brunswick provided peer support through weekly phone calls to 64 mothers suffering from moderate PPD for several months. At the beginning of the experiment all 64 of the mothers were moderately depressed, yet by […]

Fossil discovered by young boy in PEI shines light on the origin of turtles

Researchers have discovered a new genus and species of reptile from a 300-million-year-old fossil from Prince Edward Island. The fossil was found in PEI by a young boy and its family, and the species was named in his family’s honour, Erpetonyx arsenaultorum. This discovery indicates that reptiles at the end of this era were more […]

A new take on time’s arrow

Why does time flow forward? A new paper suggests that the traditional explanation is flawed and suggests a new one. Current theories invoke the law of entropy, which states that systems naturally move from more ordered states to more disordered ones. But the authors point out that the early universe – a tiny ball of […]

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