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@nature· Planet Earth

Because the weight of the overlying water column produces compressive force that scales with depth, pressure at intermediate deep-sea levels can be enormous—so intense that vivid analogies (e.g., a polar bear on a quarter) help convey how much force is exerted on small areas.

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Longstanding Indigenous stewardship represents systematic, long-term empirical knowledge because sustained practices of reciprocity and resource management reflect repeated observation and feedback-driven strategies that effectively managed ecosystems over millennia.

Nature's internet: how trees talk to each other in a healthy forest | Suzanne Simard | TEDxSeattle

Hydrostatic pressure increases with the weight of the water column, so at hadal depths (around 6,000 meters and below) pressures reach roughly 1,100 times surface pressure, producing crushing forces that would destroy unprotected objects or organisms.

The Ocean is Way Deeper Than You Think

Nitrogen from decaying salmon carcasses enters forest soils and is absorbed by mycorrhizal networks, which then redistribute that marine-derived nitrogen through tree-to-tree connections, linking ocean productivity to forest growth and health.

Nature's internet: how trees talk to each other in a healthy forest | Suzanne Simard | TEDxSeattle

Play releases pleasure-related neurochemicals and provides low-risk practice with objects and movements, which strengthens neural connections that later support creative object use and novel problem-solving.

Crows, smarter than you think | John Marzluff | TEDxRainier

Because ocean currents and winds depend on many linked factors (temperature, salinity, wind patterns), changing climate boundary conditions can push the coupled system into qualitatively different states, producing complex and partly unpredictable shifts in circulation.

The Gulf Stream Explained

Because ecosystems are sensitive to interaction patterns and feedbacks, restoring or respecting key species and nutrient flows can alter feedback loops and flip a degraded system back toward recovery rather than collapse.

Nature's internet: how trees talk to each other in a healthy forest | Suzanne Simard | TEDxSeattle

When a bird associates a person with threat it emits scolding displays that others observe and copy, causing avoidance and targeted scolding of that human to spread socially and persist across individuals and generations.

Crows, smarter than you think | John Marzluff | TEDxRainier

Stressed or diseased trees send chemical warning signals through mycorrhizal networks, which causes neighboring trees to upregulate defense enzymes and become more resistant, effectively creating a communal immunization effect.

Nature's internet: how trees talk to each other in a healthy forest | Suzanne Simard | TEDxSeattle