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Oct. 5 (UPI) — GPS-enabled decoy eggs could help authorities track sea turtle egg poachers and disrupt illegal wildlife trade networks.
In a proof-of-concept study, published Monday in the journal Current Biology, researchers placed 3D-printed, GPS-enabled decoy eggs in the nests of endangered sea turtles in Central America.
Using the ingeniously named InvestEGGator, scientists were able to track the contraband from the beach to restaurants and bars where the eggs are sold as a delicacy.
“Our research showed that placing a decoy into a turtle nest did not damage the incubating embryos and that the decoys work,” lead study author Helen Pheasey said in a news release.
“We showed that it was possible to track illegally removed eggs from beach to end consumer as shown by our longest track, which identified the entire trade chain covering 137 kilometers,” said Pheasey, conservation biologist and doctoral student at the University of Kent.
The first stages of placental development take place days before the embryo starts to form in human pregnancies. The finding highlights the importance of healthy placental development in pregnancy, and could lead to future improvements in fertility treatments such as IVF, and a better understanding of placental-related diseases in pregnancy.
In a study published in the journal Nature, researchers looked at the biological pathways active in human embryos during their first few days of development to understand how cells acquire different fates and functions within the early embryo.
They observed that shortly after fertilisation as cells start to divide, some cells start to stick together. This triggers a cascade of molecular events that initiate placental development. A subset of cells change shape, or ‘polarise’, and this drives the change into a placental progenitor cell — the precursor to a specialised placenta cell — that can be distinguished by differences