Proceedings of the National Academy of Sciences
ARTICLE FINDER

Simple blood test may reveal your body's inner clock

Sep 11, 2018 - 2:55 PM

Researchers have designed a blood test that can measure a person's inner body clock within 1.5 hours, an advance that may help personalize medical treatments in the future

The 7-point science of why we forget our 'dark' past

Aug 26, 2018 - 11:00 AM

Ever heard of 'unethical amnesia'?

Vaping may raise cancer risk – study

Jan 30, 2018 - 10:29 PM

The report in the Proceedings of the National Academy of Sciences did not compare the cancer-causing potential of traditional cigarettes to e-cigarettes

First fluorescent frog found in Argentina

Mar 17, 2017 - 11:38 AM

Under normal light the frog s translucent skin is a muted yellowish brown color with red dots but when the scientists shine an ultraviolet light on it it turns a celestial green

FIRST. Handout photo relased by CONICET and MACN (Museo Argentino de Ciencias Naturales) researchers Carlos Taboada and Julian Faivovich on March 16, 2017 in Buenos Aires of a fluorescent polka-dot tree frog (Hypsiboas punctatus) that lives in South America. Photo by C.Taboada-J.Faivovich /MACN-CONICET/AFP

Study: Warmer oceans, sea levels up; PH highest rate

Jan 26, 2016 - 8:48 AM

The amount of sea level rise that comes from the oceans warming and expanding has been underestimated and is likely about twice as much as previously calculated

Food chain collapse predicted in world's oceans

Oct 13, 2015 - 8:35 AM

The first of its kind global analysis of marine responses to climate change forecasts a grim future for fish

In this file photo released by the Australian Institute for Marine Science (AIMS) on 02 October 2012, shows bleaching of coral at North Keppel Island on the Great Barrier Reef in Queensland, Australia. AIMS/EPA

Antibiotics may help animals spread salmonella – study

Oct 21, 2014 - 9:27 AM

The findings could point to a new concern over feeding healthy livestock low doses of antibiotics to help them grow and stave off common illnesses

Color-enhanced scanning electron micrograph showing Salmonella typhimurium (red) invading cultured human cells. Credit: Rocky Mountain Laboratories, NIAID, NIH/Public domain

Deadly 2010 polio outbreak in Congo linked to mutant virus

Aug 19, 2014 - 8:05 AM

Researchers found that in 29 of cases studied people who had been vaccinated against polio in the past did not produce the necessary antibodies to fight off infection

Facebook experiment 'messed with people's minds'

Jul 04, 2014 - 1:40 PM

In its complaint to the US Federal Trade Commission the Electronic Privacy Information Center said the study deceived consumers and violated an agreement on privacy settings

US experts declare progress in quest for MERS treatment

Apr 29, 2014 - 8:05 AM

US scientists say they have identified natural human antibodies against the virus that causes MERS

Eating nuts caused tooth decay in hunter-gatherers – study

Jan 07, 2014 - 7:05 AM

The findings offer the earliest evidence of nut harvesting and storage among African hunter gatherers

NUTS GALORE. Nuts in the Market during the Islamic holy month of Ramadan in the Old City in the West Bank city of Hebron, 08 October 2007. Abed al Hafiz Hashlamoun/EPA

Neanderthals cared for elder, burial site shows

Dec 17, 2013 - 9:33 AM

Study adds new evidence to the argument that cavemen were actually a sophisticated lot

Neanderthal skull from La Chapelle aux Saints. Image taken 16 March 2004, PLoS

Scientists delve into the evolution of monogamy

Jul 30, 2013 - 10:31 AM

Scientists are coming closer to understanding the evolutionary reason behind monogamy with two new studies out Monday

In nature, dolphins 'whistle' by name

Jul 24, 2013 - 7:26 AM

A study found that dolphins are the only non human mammals to use the names of those in their close circles to get each other s attention

File photo by Randy Datu

Broken tooth in dino tail 'proves' T. rex was predator

Jul 17, 2013 - 1:46 PM

What researchers have described is the first discovery of a broken Tyrannosaurus rex tooth in another dinosaur bone

T. REX BITE. This undated photo courtesy of David A. Burnham and Proceedings of the National Academy of Sciences (PNAS) shows researchers Robert A. DePalma II (L)and David A. Burnham as they look at a Tyrannosaurus rex tooth crown embedded between hadrosaur vertebrae and surrounded by bone overgrowth. Photo by AFP/David A. Burnham/PNAS

One in 10 will live in climate hotspots by 2100

Jul 02, 2013 - 8:34 AM

These so called climate hotspots will be most widespread in the southern Amazon with severe changes in water availability yields and ecosystems

Rain clouds move over the remnants of parched corn stalks on August 22, 2012 near Wiley, on the plains of eastern Colorado. John Moore/Getty Images/AFP

Scientists reveal new way to track illegal ivory

Jul 02, 2013 - 12:00 AM

Study reveals a new tool for analyzing ivory that uses nuclear test residue to determine the age of a tusk

CRUSHING CRIME. A road roller destroys elephant tusks that have been seized from illegal shipments since 2009 and are kept in storage at the Protected Areas and Wildlife Bureau-Department of Environment and Natural Resources (PAWB-DENR) in Quezon City. Photo courtesy of EPA

Pesticides slash water life by 42% - study

Jun 18, 2013 - 9:24 AM

The researchers warned that the threat pesticides pose to biodiversity has been underestimated

AFFECTED. Species that were particularly vulnerable to pesticides included dragonflies, stoneflies, mayflies and caddis flies

Weak brain connections in autistic children

Jun 18, 2013 - 9:08 AM

Weak brain connectivity may impede children with autism from experiencing speech as pleasurable

HUMAN VOICE IS VERY IMPORTANT. 'It not only conveys meaning but also provides critical emotional information to a child'

[Science Solitaire] How much of the child now will be the adult later?

Jun 14, 2013 - 8:00 AM

Self control seems to create borders that slowly define you as you grow up not to restrict you but to make your desires and goals clearer to yourself

Penis size matters to women

Apr 09, 2013 - 6:59 AM

Researchers found that women rated tall men with long penises as the most attractive

Less sleep leads to more eating, weight gain - study

Mar 12, 2013 - 7:34 AM

Sleeping a mere five hours a night during a workweek with unlimited access to snacks isn t good for your waistline

New study links extreme weather to climate change

Feb 26, 2013 - 9:06 AM

Scientists said Monday February 25 they have identified a physical mechanism behind the extreme weather that has plagued many parts of the world in recent years and that it is tied to climate change

NOAA's GOES-13 satellite captured this visible image of Hurricane Sandy battering the U.S. East coast on Monday, Oct. 29 at 9:10 a.m. EDT. Sandy's center was about 310 miles south-southeast of New York City. Tropical Storm force winds are about 1,000 miles in diameter. Credit: NASA GOES Project