Can Sharks Sense Electromagnetic Waves?
A little more than 50 years ago, Adrianus “Ad” Kalmijn conclusively proved that sharks and rays can sense electromagnetic fields and use them to locate… Read More »Can Sharks Sense Electromagnetic Waves?
A little more than 50 years ago, Adrianus “Ad” Kalmijn conclusively proved that sharks and rays can sense electromagnetic fields and use them to locate… Read More »Can Sharks Sense Electromagnetic Waves?
Platypuses, echidnas and bumblebees are extraordinary examples of land animals that can sense electric fields and use them to detect prey or communicate. What animal… Read More »What Animal Can Detect Electricity?
Okra is an African word (nkruma in one Ghanaian language) and appears to have been used in South Carolina the way that the word “gumbo”… Read More »Is Okra An African Word?
The name “okra” is of West African origin and is cognate with “ọ́kụ̀rụ̀” in Igbo, a language spoken in Nigeria. It is called “Ila” in… Read More »Who Invented The Word Okra?
Okra is an annual herb that is widely cultivated for its edible green seed pods in tropical, subtropical and warm temperate climates. Okra is a… Read More »Is Okra A Herb?
Climbing okra is a vigorous vine that uses its long tendrils to cling to supporting structures such as trellises and fences. Is okra a shrub… Read More »Is Okra A Vine?
Sharks, like any other animals, obey their animal instincts. When they feel that they are threatened by the presence of another creature, they would attack… Read More »What Do Sharks Do When They Feel Threatened?
They were originally designed for surfers, and their main purpose is to prevent (you guessed it) rashes. Any kind of friction against a rough surface,… Read More »Why Do Surfers Wear Long Sleeves?
Red clover has widely been accepted as the legume of choice for frost seeding. Red clover has high seedling vigor and is somewhat tolerant of… Read More »What Is The Best Clover To Frost Seed?
Seeding legumes in the fall along with the winter rye, particularly when the rye is planted late, is likely to result in winter-kill of the… Read More »Can You Frost Seed Winter Rye?