5,115 results
5,115 results for: seek
- Math
Five-Suit Decks, Traffic-Jam Puzzles, and Other Treats
Tired of playing the same old card games with the same old cards? One option is to expand the deck to include five suits instead of just four. To solve this difficult Rush Hour puzzle, you must move vehicles out of the way to permit the red car to exit at right. The best known […]
- Math
Measuring with Jugs
Given a 5-liter jug, a 3-liter jug, and an unlimited supply of water, how do you measure out exactly 4 liters? In her book In Code: A Mathematical Journey, Sarah Flannery gives this classic brainteaser as an example of the sorts of playful puzzles that her father, a mathematics lecturer at the Cork Institute of […]
- Materials Science
Making the Most of It
A recent crop of studies demonstrates how nature finds strength in unlikely places.
- Health & Medicine
Blood, Iron, and Gray Hair
Recent findings show that anemia is exceedingly common in elderly people and link the condition to severe health problems, including accelerated physical and mental decline and a shorter life span.
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Growing Up Online
New studies probe some of the many ways, both good and bad, that children and teenagers use the Internet and adapt to online communication.
- Humans
Books for Late Summer
The writers of Science News present wide-ranging recommendations of books for readers to pack for their late-summer vacations.
- Animals
Crouching Scientist, Hidden Dragonfly
Although dragonflies are among the most familiar of insects, science is just beginning to unravel their complex life stories.
- Animals
Battle of the Hermaphrodites
A biologist argues that combining the sexes can actually make gender wars worse.
- Humans
Good Gone Wild
New research shows that the ecotourism model of raising conservation awareness while protecting indigenous cultures doesn't always work out as planned.
- Humans
Venting Concerns
Scientists have developed a code of conduct to guide their research and activities at hydrothermal vents.
- Chemistry
Cell-Surface Stories
The latest generation of microelectrodes is reaching into biological realms to detect the ebbs and flows of chemicals at the surfaces of cells.
- Humans
Ballot Roulette
In the midst of rapid change in voting technology, researchers are finding causes for concern as well as inventing new equipment and schemes to improve the accuracy and integrity of elections.
