Pennsylvania State University Archives

X-ray histotomography: Characterising every cell of a whole organism

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Histology is a powerful technique to study thin slices of tissue samples.

Histology is a powerful technique used to distinguish normal and abnormal cells and tissue. In practice, only a small sampling of thin, 2-dimensional slices is readily available for diagnosis. In contrast, micro-CT allows full-volume, 3-dimensional (3D) imaging of biological samples. By optimising micro-CT, a multidisciplinary team led by Dr Keith Cheng from Pennsylvania State University created X-ray histotomography, a technique […]

#SocialScience: Mining Twitter for Social and Behavioural Research

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Twitter is a rich and timely resource for social and behavioural research.

A disaster strikes, somewhere in the world. Within minutes there are millions rushing to their screens, letting out their thoughts and feelings. This makes Twitter, along with other social platforms, a rich and timely resource for social and behavioural research. Surprisingly, however, it is a lot less utilised in the social sciences compared with other fields. Tweeters don’t reflect the […]