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SEDIMENT
White sediment at the bottom of canned green beans can resemble spoilage, but hard-water minerals may react with natural bean compounds to form a harmless depositWhen inspecting canned goods, it's common to find a white residue that forms when hard water interacts with pectin. This sediment, especial...- America’s first people survived a world in flux: 23,000-year-old footprints reveal how climate change reshaped their lives during the Ice AgeResearch at White Sands National Park indicates that the ancient environment dramatically changed over thousands of years. This study provi...
- North Carolina removed invasive carp from Lake Mattamuskeet in a restoration effort; an earlier removal campaign increased water clarity more than fourfold and expanded underwater grasses by 16,000 acresLake Mattamuskeet in North Carolina has seen a dedicated restoration initiative aimed at curbing the invasive common carp's adverse effects...
- America brought yellow flag iris in for gardens; it escaped into wetlands, reached more than 40 states, and now congests water flow while crowding out native plantsThe yellow flag iris, first brought to North America in the 1800s, quickly evolved from an ornamental plant to a widespread ecological thre...
- Amelia Earhart disappeared in 1937. Nearly a century later, why are scientists now investigating a possible clue beneath the water?A research team has reached Nikumaroro to investigate the Taraia Object, which may relate to Amelia Earhart's disappearance. They will empl...
- Nepal flash floods explained: Why the country is facing repeated disasters and should India be worried?Nepal Flash Floods Reason: Nepal has witnessed another flash flood after a landslide blocked the Budhi Gandaki River in Gorkha district. He...
- A 400-acre island built from Tampa Harbor dredging became a nesting refuge for birds decades laterIn the late 1970s, engineers expanded Tampa Bay by developing an island from dredged materials. This man-made island has since become a cru...
- California used more than 2.5 million cubic yards of dredged material to rebuild Sonoma Baylands; The project restored 322 acres of tidal wetland habitatThe Sonoma Baylands initiative has harnessed dredged materials to rejuvenate California's tidal wetland habitats. Each year, excessive sedi...
- In 2019, Georgia placed 5,000 cubic yards of dredged sediment on a 5-acre salt marsh; six years later, it remained about 12 cm higher, with plant growth similar to nearby marshesWetlands serve as vital buffers in coastal regions, adeptly mitigating storm impacts while also acting as natural filters for pollutants. A...
- For 100 years, a dam trapped 3 million cubic yards of toxic mining waste in Montana. Engineers removed it; what happened to the river next was remarkableA century-old dam on Montana’s Clark Fork River trapped 3 million cubic yards of toxic mining waste, raising concerns about pollution and t...
- 12,000 years ago, humans carved giant camels into Saudi rocks. Scientists think they marked something vitalLife sized camel carvings discovered in Saudi Arabia's Nefud Desert date to around 12,800 - 11,400 years ago. Researchers believe the monum...
- Off Gulf coast of Florida, giant concrete domes were dropped more than 200 feet underwater to help restore corals and sea life. All corals outplanted in 2025 survived and even grewScientists have deployed specially designed concrete domes off Florida’s northern Gulf coast to help restore coral habitats. The project ta...
- Most US roads are built with a slight sideways tilt that drivers barely notice: About a 2% cross slope helps rainwater run off instead of pooling on the pavementRoadways are engineered with a gentle slope of around 2% to enhance rainwater drainage effectively. This slight tilt not only reduces the r...
- Scientists studied 240,000 years of data about America’s ‘Dead Sea’ and found that it was 10 times bigger and much less salty than todayRecent research study revealed that the Great Salt Lake in Utah once boasted a size tenfold larger than today. By analyzing sediment cores ...
- In 2018, South Carolina pumped 40,000 cubic yards of river sand onto an eroding bird island; enough to fill about 4,000 dump trucks and restore lost nesting groundThe restoration of Bird Key Stono, a vital nesting habitat for endangered bird species, involved utilizing dredged sand from Folly River. T...
- Over 40 turtles were rescued from a dying Pennsylvania lake in 2025; now, after a massive cleanup, they’re finally returning to the water they once called homeIn a notable restoration project, Crystal Lake in Pennsylvania faced pollution and sediment challenges. While draining the lake, residents ...
- In 2019, Maryland pumped 60,000 cubic yards of dredged mud onto eroding Swan Island; the material rebuilt about 12 acres of marsh and dunes with 200,000 plantsSwan Island, an uninhabited marsh island in Chesapeake Bay, faces challenges due to severe erosion and habitat loss. The U.S. Army Corps of...
- From 2002, Louisiana dumped up to 1.8 million cubic yards of dredged mud near Horseshoe Bend, and the river turned it into a 35-hectare islandSince 2002, dredgers on the Lower Atchafalaya River in Louisiana have adopted a groundbreaking sediment placement technique. This has resul...
- In 2013, Maryland used dredged river sediment to rebuild Battery Island to about 11 acres; crews planted about 60,000 native plants as the island was restoredIn 2013, Maryland utilized dredged river sediment to restore Battery Island to provide new habitat for wildlife. The U.S. Army Corps of Eng...
- In 2015, New Jersey pumped 30,000 cubic yards of dredged mud into a breach splitting Mordecai Island; the project rejoined the island and rebuilt nesting habitatMordecai Island in New Jersey has faced significant erosion, losing half of its land over the past century. To combat this, engineers intro...
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