After you have presented to the class, you may redo or add to your display for a better grade, but you must turn in the evaluation form back to your teacher to be regraded. The deadline for regrading is Thursday, Feb. 25th at 3:30 p.m.
NYT > Science
NYT > Science
Paralyzed, Moving a Robot With Their Minds
Scientists said a tiny brain implant allowed two people who are virtually paralyzed below the neck to manipulate a robotic arm.
Side Effects: The Ray and the Coconut: Tracing Life on Palmyra Atoll
Research that illuminated a delicate ecological chain of birds, trees, soil, plankton and manta rays inspires contemplation of the unknown circles of life that may be disrupted by human activity.
HDL ‘Good Cholesterol’ Found Not to Cut Heart Risk
People genetically prone to higher levels of HDL, often called “good cholesterol,” showed that they did not have any significant decrease in risk of cardiovascular disease.
Side Effects: The Tricky Business of Taming the Beasts
When it comes to the natural world, what is domestication, really?
Side Effects: Microscopic Neighbors, Evolving Together
A novel experiment sought to demonstrate that how different living things in a community bump up against one another affects how they evolve.
Boca Sanibeni Journal: Dam Project Would Displace Villages in Jungle Valley of Peru
A hydroelectric dam supported by the country’s president would send thousands of people to live elsewhere.
A Conversation With Carson Chow: A Mathematical Challenge to Obesity
Carson Chow has used mathematical models to determine the causes of obesity, and ways to stem the epidemic.
Contracts Help Private Sector Edge Deeper Into Space
A planned launching this weekend, if successful, would be a victory for private companies trying to make their mark in space.
Hawaii’s Beaches Are in Retreat, and Way of Life May Follow
Most beaches on the state’s three largest islands are eroding, and the erosion is likely to accelerate as sea levels rise, according to a new report.
Side Effects: The ‘Hunger Games’ Mockingjay: Fiction, for Now
With the growing availability of tools to modify organisms, a creature like the bird imagined in the “Hunger Games” series is not an impossible fantasy.
Alzheimer’s Prevention Is Aim of Drug Trial
A clinical trial of Crenezumab will focus largely on members of a Colombian family who are genetically destined to develop the disease but who do not yet have any symptoms.
Maternal Deaths Plunged Over 2 Decades, U.N. Reports
The decline is attributable to increases in contraception and in AIDS drugs, and to greater numbers of births attended by those with medical training.
Losing More to Gain More: Amputees’ Once-Unthinkable Choice
As artificial limbs are infused with better technology, some people are opting to amputate more extensively to regain something more akin to normal function.
In Sperm Banks, a Roll of the Genetic Dice
In households across the country, children conceived with donated sperm are struggling with serious genetic conditions inherited from men they have never met.
News Analysis: Taking Truvada to Prevent H.I.V. Also Comes With Risks
Taking Truvada daily can help people in at-risk groups prevent H.I.V. infection, but the consequences of loose adherence go beyond contracting the virus.
Understanding the Atmosphere
Scientists want to know how the balance between warming and cooling clouds will change as climate change proceeds.
Brain Disease Is Found in Veterans Exposed to Bombs
The same degenerative brain disease found in football players and boxers has been found in veterans exposed to roadside bombs, a finding with potentially profound implications.
Scientist at Work Blog: Artifacts From a Time of Many Droughts
After finding more water jar pieces, researchers plan their return to Cara Blanca, Belize, to further study the Maya world and how its inhabitants survived multi-year droughts.
Scientist at Work Blog: How to Uncover Underwater Artifacts
Diving for Maya artifacts involves high-tech diving equipment and low-tech archaeology tools like pulleys and buckets.
Scientist at Work Blog: Searching for a Pair of Dolphins in the Gulf
Following two dolphins out of Sarasota Bay, Fla., researchers lose track of them in the Gulf of Mexico, where the waters are too rough for their boat to navigate.
Scientist at Work Blog: Diving for Underwater Offerings
A team of archaeologists makes its first dive of the field season in search of ancient Maya underwater offerings.
Green Blog: Q. and A.: How to Save Bangladesh?
Bangladesh, buffeted by climate change and flooding, is a prime example of a country whose fate could be determined by what happens at a conference in Rio next month.
Green Blog: Sterilizing That Blasted Ballast
Science tries to keep pace with new rules setting limits on microorganisms in the ballast of ships plying American waters.
Green Blog: Paul Weston, Founder of Sea Shepherd, Is Arrested in Germany
Paul Watson is being held in a German jail as Costa Rica seeks his extradition on a navigational violation.
Q & A: Can Animals Get Sunburn, Too?
Just like humans, animals can suffer from too much sun exposure; domestic animals that have short or thin coats of hair or pale skin are at greater risk.
Observatory: Chimpanzees’ Table Manners Vary by Group
A study of chimpanzees in Ivory Coast found that different groups have different preferences for cracking open nuts.
Observatory: Oldest Cave Art Includes Drawings of Female Anatomy
Researchers have discovered illustrations of female anatomy in a rock shelter in France that date back 37,000 years.
Observatory: Brittle Stars Put Their Best Foot Forward
Despite lacking bilateral symmetry, brittle stars, related to starfish, can choose one of their five limbs to be front-facing and use two others to move.
Personal Health: Personal Health: The Zen of Swimming
Swimming is second only to walking as the nation's most popular recreational activity, and its benefits can be enjoyed regardless of age or infirmity.
Really?: Really? Red Wine as a Probiotic Delivery System
Known for its potential to protect against heart disease, red wine also aids digestive health, through probiotics, studies show.
Dot Earth Blog: The Gas Age, Circa 1986
A look at the decades-old natural gas predictions of an energy analyst with extraordinary foresight.
Wordplay Blog: Numberplay: Heights of a Triangle
Can a triangle have heights of 1, 2 and 3?
Letters: Learning From Cuba (1 Letter)
Letter to the editor.
Letters: That Unbearable Itch (1 Letter)
Letter to the editor.
Letters: Consider the Parent, Too (2 Letters)
Letters to the editor.
Letters: HPV and Oral Cancer (1 Letter)
Letter to the editor.