Here’s one churro you won’t want to eat. A team led by California researchers has discovered a pink, flatworm-like critter in the deep seas off the Pacific that they’ve named Xenoturbella churro, ...

Sea anemones may hold the key to the ancient origins of body symmetry. A study from the University of Vienna shows they use a molecular mechanism known as BMP shuttling, once thought unique to ...

No statistical methods were used to predetermine sample size. Embryos were randomized in each experiment. The investigators were not blinded to allocation during experiments and outcome assessment.