Women get their tubes tied as their primary method of birth control may face a higher risk of unplanned pregnancy than expected. Between 3% and 5% of women who get the procedure later have unintended ...

Up to 5% of women who undergo tubal sterilization may later become pregnant, calling the procedure's effectiveness as a contraceptive into question, according to a recent analysis from researchers at ...

More than five percent of women who get their tubes tied later become pregnant, a new analysis suggests — and researchers say ...

But in the cooler, sheltered underground tunnels ... the lava tubes’ early inhabitants engaged in oasis agriculture: farming practices used on fertile lands in otherwise arid regions. Stewart was also ...

A crew operating from a barge drilled a 2 1/2-inch hole into the tunnel's cast iron liner, causing water to pour through the ...

Wind-tunnel testing is "the most important development tool" for an F1 race car, a former team principal said.

an engineer at the University of Arizona who was not involved in the study. From a bird’s-eye view, evidence of a lava tube ...