22 July 2014, 05:00 PM ET
African elephants bested rats, a former olfactory record-holder, among selected placental mammals.
09 July 2014, 05:27 PM ET
Nikola Tesla, genius inventor, and Thomas Edison, expert businessman.
09 July 2014, 05:03 PM ET
How Tesla coils generate high-voltage electrical fields.
03 July 2014, 05:04 PM ET
As of June 18, an Ebola outbreak in West Africa has killed at least 337 people, according to the Centers for Disease Control and Prevention.
23 June 2014, 05:05 PM ET
Methods including three-parent embryos and womb transplants could revolutionize childbearing.
10 June 2014, 05:07 PM ET
Desertion has never been higher since 1971, when more than 33,000 soldiers deserted.
22 May 2014, 05:31 PM ET
Warmer water changes weather patterns, bringing floods and droughts across the globe.
20 May 2014, 03:30 PM ET
The numbers of earthquakes recorded at various magnitudes.
19 May 2014, 03:50 PM ET
Researchers say that soon it will be possible to smash photons together to create matter in the laboratory.
14 May 2014, 04:42 PM ET
Of 536 cases reported since 2012, 145 have died.
14 May 2014, 10:00 AM ET
While most surveyed expected benefits to the majority of the public, many expressed concerns for privacy and unintended consequences.
06 May 2014, 04:43 PM ET
The U.S. National Climate Assessment shows that summers are getting hotter, heat waves are lasting longer, and weather is getting more extreme.
30 April 2014, 08:37 AM ET
Unmanned aerial vehicles have been increasingly popular in recent years.
29 April 2014, 11:37 AM ET
The prostate in relation to the male anatomy.
21 April 2014, 05:33 PM ET
Humans are just the latest in a long line of hominid species that have emerged in the past six million years.
18 April 2014, 05:48 PM ET
Studies of brain scans of pot smokers found that the density of brain matter was increased in the pleasure centers of the brain.
18 April 2014, 04:00 PM ET
Unmanned submersible uses sonar to scan the ocean floor and return a 3D map to the surface.
17 April 2014, 08:11 AM ET
59 percent of those polled were optimistic, while 30 percent thought the changes would make people worse off.
04 April 2014, 11:21 AM ET
Researchers create maps of beer preferences by geotagging tweets.
27 March 2014, 02:00 PM ET
By editing its DNA sequence on a computer, scientists modified a eukaryotic yeast cell.
26 March 2014, 05:25 PM ET
Patches of cells in the outer layer of the cortex are disorganized in the brains of autistic children.
24 March 2014, 05:15 PM ET
More than two weeks after its strange disappearance, Malaysian officials announced they believe Flight 370 crashed into the sea.
19 March 2014, 03:04 PM ET
Advanced societies frequently collapse unless steps are taken to regulate resource consumption and economic stratification.
27 February 2014, 11:46 AM ET
The U.S. Food and Drug Administration wants to update the labeling on food packages to reflect the latest thinking on diet and nutrition.
04 February 2014, 02:26 PM ET
Chart shows average high and low temperatures of Olympics sites since 1924.
03 February 2014, 05:01 PM ET
Relative number of calories expended during 10 minutes of various Olympic activities.
14 January 2014, 01:08 PM ET
By surrounding their star with swarms of energy-collecting satellites, advanced civilizations could create Dyson spheres.
20 December 2013, 05:00 PM ET
Dec. 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere and marks the beginning of winter.
19 December 2013, 09:23 AM ET
The Challenge is a series of tasks to test the capabilities of robots designed for disaster response in emergencies.
15 December 2013, 08:39 AM ET
The U.S. and China produce more total e-waste than any other country, according to a new map that tracks e-waste around the world.
26 November 2013, 07:16 AM ET
The challenge of managing the world's waste in the 21st century.
15 November 2013, 03:04 PM ET
Typhoon Haiyan dwarfed recent big storms, but wasn't the largest one recorded.