Gravity is often perceived as a constant force, but a notable exception exists in the Hudson Bay region of Canada, where gravity is slightly weaker than in most other parts of the world. This phenomenon is not noticeable in daily life but can be detected by precise instruments. The weaker gravitational pull is primarily attributed to the effects of a massive ice sheet that covered much of Canada during the last Ice Age. This heavy ice pushed the land down, and as it melted, the land began to rise again, altering the distribution of mass in the area. Additionally, movements within the Earth's mantle are pulling mass away, further contributing to the weaker gravity. For scientists, this slight variation in gravity is significant as it provides insights into geological processes occurring beneath the Earth's surface, emphasizing that gravity is not as uniform as it may seem. Ongoing studies in this region utilize advanced satellite technology to deepen our understanding of the Earth's dynamic nature.