Dr Agnieszka Żelaźniewicz from the University of Wroclaw picked up the Ig Nobel gong for her research into how inequalities in national incomes affect how people kiss.
A letter from a grandfather to his granddaughter, tucked away in an embryology textbook 23 years ago, has been returned to its owner after it was discovered by a Wrocław University student.
The new discovery helps to shed new light on the migratory movements of the Neanderthal people.
Wrocław archeologists found that Homo Erectus travelled outside of Africa not only along the Nile river, but also through what is now a desert which used to be a humid area with plants and rivers leading to the Red Sea.
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