Though not this obvious from the outside, plants are keeping time.
Precisely calibrated timekeepers are found in organisms from all domains of life. Biologists are studying how they influence plant/pathogen interactions – what they learn could lead to human medicines.
Is it time for Congress to act?
As the issue of an open and free internet again comes up for public debate, Congress could participate – and help regulators devise a workable set of policies.
There are a lot more holes in cybersecurity fences.
The modern world depends on critical systems, networks and data repositories that are not as secure as they should be. Breaches will continue until society as a whole makes some big changes.
International Olympic Committee President Thomas Bach stands between Paris Mayor Anne Hidalgo and Los Angeles Mayor Eric Garrett to announce winning bids for the upcoming games.
AP Photo/Martin Mejia
The benefits of hosting the Olympics are so slim, or nonexistent, that fewer cities are bidding to host the games. That's a sign of serious trouble.
Colleen Burge counts oysters on an oyster aquaculture lease in California.
Oysters grow in seawater and filter their food from it, so how do you shield them from waterborne diseases? Scientists are working to develop strains that are resistant to a fast-spreading herpes virus.
Robots can also lend a hand of sorts.
Robots have the potential to help support a growing population that wants to age in their own homes. But those helpful machines won't be the humanoid butlers of science fiction.
Color-changing cells in an Atlantic squid’s skin contain light-sensitive pigments.
We're used to thinking of our eyes detecting light as the foundation of our visual system. But what's going on in other cells throughout the body that can detect light, too?
Realistic and stylized at the same time.
As the animated film 'Bambi' celebrates its 75th anniversary, a reminder that humans often try to express reality. But once they do, they go back to making art.
When President Bill Cllinton officially ended welfare as we knew it, he was flanked by women who had received Aid to Families with Dependent Children.
Trump's rationale for cutting the Temporary Assistance to Needy Families program rests on a myth at odds with contemporary data.
Senate Majority Leader Mitch McConnell, who announced June 27 that a vote on the Senate health care bill has been delayed until after the July 4 recess.
The health care bill proposed by Senate Republicans was little better than the House version, which begs an important question: Who's driving health care law – a free market or insurance companies?
The High Line in New York City, a former elevated railroad trestle converted to a public park.
In an urbanizing world, people increasingly are seeking out nature in cities. Research shows that diverse species of animals, plants and insects can thrive in areas that humans have altered.
Can artificial intelligence help us stop drowning in paperwork?
Nobody can understand the legal language in privacy policies. Can artificial intelligence digest the text and produce a human-readable explanation?
How can we change math instruction to meet the needs of today’s kids?
World Bank Photo Collection / flickr
Math instruction is stuck in the last century. How can we change teaching methods to move past rote memorization and help students develop a more meaningful understanding – and be better at math?
Polysaccharide molecules such as cellulose, seen here, are long chains of sugars that are very hard to break apart. Enzymes – proteins that can degrade polysaccharides – have many industrial uses.
Bio-prospecting is the search for useful materials from natural sources. A biologist explains what we can learn from bacteria about breaking down plant material, and how we can use that knowledge.
Ingredients from shampoo, sunscreens and other personal care products are turning up in water supplies. Some are toxic or cause hormonal damage to aquatic life, and could threaten human health.
Language matters in every class: English, math, history and science.
Rawpixel / Shutterstock.com
In English and science alike, every student and teacher brings his or her own language patterns to class. But how can educators make sure that language bias doesn't harm student achievement?
Graves at the memorial center Potocari, near Srebrenica.
AP Photo/Amel Emric
How long does it take to make peace? Decades after the end of the Bosnian war, just one in six residents felt that country had reached reconciliation.
Poul Henningsen’s Artichoke Lamp, viewed from below at London’s Park Plaza Hotel.
Doc Searls/Wikimedia Commons
We asked five design experts – what's your favorite product of all time, and why?
The world is searching – will we protect ourselves?
Graphic via shutterstock.com
The latest release from WikiLeaks, of information about CIA hacking efforts, is yet another reminder of how Americans and our government must better protect our secret information.
Trump’s budget director, left, says White House spending priorities are straight out of the president’s mouth.
Trump is proposing a budget with little substance and filled with politically toxic spending cuts, making it very unlikely to go anywhere, even in a Republican Congress.