To assess the level of admixture and gene flow between the central Mexican Basins, we ran a population assignment test using GeneClass 2.0 [ 91].
We've been running a Syria refugee assignment, since our launch in April last year.
If you need some inspiration here are some of the videos we received on GuardianWitness last time we ran a spoken word assignment: Submit your work through GuardianWitness – it's really straightforward.
We're now running a regular weekly photography assignment in the Observer New Review and the next theme is 'dance.' Share your photos of what dance means to you – and tell us about your image in the description box.
Contribute with Guardian Witness We're now running a regular weekly photography assignment in the Observer New Review and the next theme is 'pathway.' So whether it's a walk in the woods, a well trodden road or a new way forward, share your photos of what pathway means to you – and tell us about your image in the description box.
Contribute with Guardian Witness We're now running a regular weekly photography assignment in the Observer New Review and the next theme is 'fade.' So whether it's faded signs, a song that repeats to fade or a loss of light, share your photos of what fade means to you – and tell us about your image in the description box.
Contribute with Guardian Witness We're now running a regular weekly photography assignment in the Observer New Review and the next theme is 'peak.' So whether you're at the top of a mountain or feel at the height of your powers, share your photos of what peak means to you – and tell us about your image in the description box.
Contribute with Guardian Witness We're now running a regular weekly photography assignment in the Observer New Review and the next theme is 'geometric.' Share your photos of what geometric means to you – and tell us about your image in the description box.
Contribute with Guardian Witness We're now running a regular weekly photography assignment in the Observer New Review and the next theme is 'shadow.' Share your photos of what shadow means to you – and tell us about your image in the description box.
Contribute with Guardian Witness We're running a regular weekly photography assignment in the Observer New Review and the next theme is 'tree.' Share your photos of what tree means to you – and tell us about your image in the description box.
For Yuri, Pete is now running the Breakthrough Prize Foundation -- with the assignment of running a $100 million effort to find extraterrestrial life.
