Rays of Sun Light Split Hemispheres Says Professor
Los Angeles Times reports professor Harl A. Robinson, a high school science teacher, explains that solar radiation unevenly warms land and sea. He argues this differential heating drives the Earth's slight orbital eccentricity by varying the sun's influence between the northern and southern hemispheres over six months.
MENTIONED IN THIS ARTICLE
Harl A. Robinson
North Pole
South Pole
Earth
Sun
Los Angeles
Times
Why Birds Should Be Helped Out in Winter Mysery Bird Feeding
Bulletin No. B-31 of the Izaak Walton League urges early feeding before snow, noting winter starvation harms brood stock and future hunting. It recommends wheat and ear corn under cover such as weed patches, bushes, rail fences, grape vines, or artificial shelters to attract quail and other wild birds and protect them from predators.
MENTIONED IN THIS ARTICLE
Myery
Izaak Walton League of America
Why Monday Is Washday Tradition in American Homes
Miss Helen Bishop, head of home management at Iowa State College, cites Pilgrim habit as reason Monday became wash day. She notes that the Pilgrims landed on Sunday and washed the next day, a pattern European housewives do not follow. She links Monday washing to household disorder and poor meal planning.
MENTIONED IN THIS ARTICLE
Helen Bishop
Iowa State College
Miss Bishop
Why Pyrite Is Valuable
Pyrite, known as fool's gold for its yellow color, is more valuable than its nickname suggests. It is used to manufacture sulfuric acid, sulfite wood pulp, and as a fluxing agent in smelters to furnish iron for slag. It also has uses in radios and jewelry, with the largest deposits in Spain and Portugal.
MENTIONED IN THIS ARTICLE
Spain
Portugal
Why Airplane Can Fly
The text discusses aerodynamics, noting that a propeller generates a slip stream that creates a near vacuum on the wing’s top surface. It claims the stream provides roughly 85 percent of lift, with the remaining 15 percent produced beneath the wing.
King James I First to Mark Coin Values in Britain
A historical note explains that before James I, British coins bore no value marks and were known by their name. During his reign from 1602 to 162% he introduced numerals on coins, using SU for a shilling and Vi for a sixpence, indicating value.
MENTIONED IN THIS ARTICLE
James
Great Britain
Round Robin Origin and Petition Use in Early Records
The term round robin originated to describe neckwear in the 16th century and evolved into a petition form where names were signed collectively to avoid favoring any single signer. The practice reflects a shift toward egalitarian signature lines and shared authorship in historical records.
Why Smaller Front Wheels Wagons Have Smaller Wheels
Smaller front wheels ease steering and turning on sunse roads while larger rear wheels roll over rough ground more smoothly. They act as longer levers to shift the load over tough places, improving traction and stability.
Plants In Aquariums Add Beauty And Help Water
Plants in aquariums enhance beauty and aid water quality. They supply oxygen and nutrients for fish, while absorbing carbon dioxide and waste byproducts.
Why Marines Are Called Leathernecks
Leatherneck lore traces the nickname to early Marine dress when black leather stock collars worn to guard the neck became iconic. The term endures in Marine culture as a badge of tradition and rugged identity.
MENTIONED IN THIS ARTICLE
Cauge
Water Pipe Freezing Causes Bursts
Brief note explains that water expands when frozen, stressing pipes and causing bursts. Reading indicating freezing conditions lead to pipe damage as ice forms, increasing pressure and rupture risk. Local guidance suggests insulation and heater use to prevent incidents.
Grant of a Patent and its Legal Reach
The United States patent grants an inventor exclusive rights to make use and sell for a set time but does not confer inherent title protection. The patentee holds only a negative right of exclusion and must defend title at personal cost if challenged, with actions potentially spanning over 20 years from grant.
MENTIONED IN THIS ARTICLE
United States
How Currency Surpluses Are Put Into Circulation
Money is put into circulation through banks that rely on federal reserve banks for currency supplies. Banks must keep balances with federal reserves, replenished by surplus currency and drawn down when demand rises. Federal reserve notes are central, issued against eligible paper from member institutions, provided reserves meet legal requirements.
MENTIONED IN THIS ARTICLE
Federal Regerva
Federal Reserve
Origin of the word museum linked to Muses and Alexandria
The term museum derives from a grove sacred to the Muses and was later used for Ptolemy II Philadelphus's celebrated Alexandria institution. As a scholarly palace complex it served learning needs and possibly housed botanical and zoological collections, resembling a university.
MENTIONED IN THIS ARTICLE
Ptolemy Philadelphus
Alexandria
Egypt
Beneft
Learning
Radio Detects Storms Through Early Rangefinding Methods
England's Radio Research Board described using radio static waves to trace storm birth and track their path. The method reportedly detects thunderstorms up to 2000 miles away and six to seven miles high, enabling warnings along routes across the country.
MENTIONED IN THIS ARTICLE
Radio Research Board
England
Spelling Differences Between English and American English
The text outlines variations such as adding u in labour and honour, using que or k for cheque, replacing s with z in organization, substituting ra for er in theatre, and using y instead of i in tyre, highlighting how British and American spellings diverge.
MENTIONED IN THIS ARTICLE
United States
Organization
Theater
Tire
Tyre
How Leaves Affect Trees
Leaves of a tree act as its lungs, performing much of respiration. A tree stripped of leaves would suffocate and likely die unless new leaves regrow. A plant in a dry spell may die from lack of moisture, akin to thirst in animals.
How to Apply Varnish in a Warm Oven
Varnish can be applied more easily and evenly when warmed in a warm oven before use. This method improves coverage and creates a more professional finish, and it may be required for certain varnish types to perform properly.
Earth Slows Slightly Rotational Day Lengthens Over Centuries
The Earth's rotation on its axis is not constant. It slows gradually, extending the sidereal day by about 0.001 seconds per century.
MENTIONED IN THIS ARTICLE
Earth
How Cotton Got Its Name From an Ara Bic Word
The article explains that cotton derives its name from an Ara bic word qutn, tracing linguistic roots to Indigenous language usage. It notes the term’s journey into common English usage and its connection to the plant’s global cultivation.
Pike and bass fishery efforts in Iowa lakes
Outdoor Iowa reports pike and smallmouth bass in Iowa waters, noting pike abundance in lakes and the Mississippi, spawning in spring, and success of hatcheries. Details include stocking numbers from Lake Minnewaska, Welch Lake, Dimona Lake, and Mason City nursery ponds, plus plans by Linn county groups to propagate ash and related stocks. Also mentions Storm Lake fishing prospects and the availability of the eighteenth American Game Conference proceedings.
MENTIONED IN THIS ARTICLE
Cedar Rapids
Karl North
Linn
Orleans
Clear Lake
Wes Baur
State Fish and Game Commission
Iowa
Pike Irp
Lake Minnewashti
Dickinson County
Welch Lake
Dinmona Lake
Towa Lakes
Mason City
Cleay Lake
Tvews
Towa
Storm Lake
Quotable Saying on Freedom and Surrender in a Wherry
A fragment proclaims that he who freely surrenders his Wherry does not deserve the blessings of freedom, reflecting a harsh view of personal liberty and duty within a historical maritime context. The statement stands as a solitary, pointed aphorism without broader narrative details.
Definition of a Home by Willie in a Family Moment
A teacher prompts Willie to define home and he answers that home is where part of the family waits while the others are using the car. This reflects a concise, domestic insight into family roles and daily routines.
MENTIONED IN THIS ARTICLE
Willie
Also Mentioned on This Page
Fishes—Natural History Series
Mississippi
American Game Association
Investment Bidg
Weshington
State Fish and Game Department
The
Tribune
Buffalo Center
Northrup, King & Co
Northrup
King Cos Sterlin Stai
Farmers Trust & Savings Bank
First National Bank
This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!